| The Dragonflies and Damselflies of Maryland and the District of Columbia |
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ODONATA OF MARYLAND & WASHINGTON D.C.
Last update June 3, 2009 Additions in 2009 are bolded-underlined
ANISOPTERA (DRAGONFLIES)
Petaluridae
1) Tachopteryx thoreyi (Hagen, 1858) -- Gray Petaltail -- piedmont and western shore of the coastal plain -- restricted to permanent
forest seeps -- recorded from Al, Wa, Fr, Ba, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, and a 1898 record from Rock Creek Park, Washington D.C.
Gomphidae
2) Arigomphus villosipes (Selys, 1854) -- Unicorn Clubtail -- widespread -- uncommon -- ponds and still water at edges of rivers --
recorded from Ga, Wa, Ba, Ha, Ce, Ho, Mo, Aa, Pg, Ch, Qa, Co, Do, Wi, So, Wo and Washington D.C.
3) Dromogomphus spinosus Selys, 1854 -- Black-shouldered Spinyleg -- widespread -- common -- streams and rivers -- recorded
from Ga, Al, Wa, Fr, Cl, Ba, Ha, Ce, Ho, Mo, Aa, Pg, Sm, Ke, Qa, Co, Do and Washington D.C.
4) Dromogomphus spoliatus (Hagen in Selys, 1858) -- Flag-tailed Spinyleg -- single record in 2007 from Catoctin Moutains in
Frederick County -- reservoirs -- probably a stray
5) Erpetogomphus designatus Hagen, 1858 -- Eastern Ringtail -- Potomac River (uncommon), Patuxent River (rare) and Blairs Valley
Lake (rare) -- records from Wa, Ho, Mo and Fr Counties and Washington D.C.
6) Gomphus abbreviatus Hagen, 1878 -- Spine-crowned Clubtail -- recorded from the Potomac River across from Washington County
on the Virginia side on 1-May-1979; from Frederick County at Catoctin Creek on 30-May-1957; on the Virginia side of the Potomac
River across from Frederick County on May 1, 2009; from Montgomery County on Potomac River across from Montgomery County on
the Virginia side on 12-May-2004; Sideling Hill Creek (Washington & Allegany Counties) in 2008 and from Town Creek (Allegany
County) in 2009.
7) Gomphus adelphus Selys, 1858 -- Moustached Clubtail -- recorded from the Casselman River in 2007 in Garrett County -- rivers
8) Gomphus descriptus Banks, 1896 -- Harpoon Clubtail – two location records from Garrett County.
9) Gomphus exilis Selys, 1854 -- Lancet Clubtail -- widespread -- common -- still or slow moving water -- recorded from Ga, Al, Wa, Fr,
Ba, Ha, Ce, Ho, Mo, Aa, Pg, Ch, Sm, Ke, Qa, Co, So, Do, Wi, Wo and Washington D.C.
10) Gomphus fraternus (Say, 1839) -- Midland Clubtail -- uncommon – records from Potomac River from Montgomery, Washington,
and Frederick Counties – also present on the Nanticoke River where it has been collected in Sussex County, Delaware but currently
has not been recorded down stream in Maryland
11) Gomphus lineatifrons Calvert, 1921 -- Splendid Clubtail -- Larval historical record from the Potomac River in Frederick County
(date unknown) and Washington County adult record in 2006 on the Potomac River -- rivers and streams
12) Gomphus lividus Selys, 1854 -- Ashy Clubtail -- widespread -- common -- rivers and streams -- recorded from Ga, Al, Wa, Fr, Cl,
Ba, Ce, Ha, Ho, Mo, Aa, Pg, Ch, Ct, Qa, Co, Wi, Wo
13) Gomphus parvidens Currie, 1917 -- Piedmont Clubtail -- historical record from Prince George’s County on the Anacostia River on
22-May-1915
14) Gomphus quadricolor Walsh, 1863 -- Rapids Clubtail -- uncommon to rare -- known Washington, Allegany, Howard, Baltimore,
Harford, Frederick and Montgomery Counties – streams and rivers
15) Gomphus rogersi Gloyd, 1936 -- Sable Clubtail -- rare -- Prince George’s County at Black Walnut Creek (small population), Little
Patuxent River in Anne Arundel County (based on a single cast skin), Cove Point in Calvert County (small population), Salem Tract in
St. Mary’s County (small population), Piney Branch in Charles county (small population), Queen Annes county (small population), one
in Garrett County (large population) and one in Frederick County (medium population) – small streams to rivers
16) Gomphus vastus Walsh, 1862 -- Cobra Clubtail – Susquehanna and Patapsco rivers (uncommon) and Potomac River and its
larger tributaries (common) -- recorded from Wa, Fr, Ba, Ha, Ho, Mo, and Washington D.C.
17) Gomphus ventricosus Walsh, 1863 -- Skillet Clubtail -- historical records from 1914 and 1915 from the Potomac River at Great
Falls (although collected on the Virginia side across from Montgomery County, the Potomac River from which it emerged is owned by
Maryland)
18) Gomphus viridifrons Hine, 1901 -- Green-faced Clubtail -- known from Sideling Hill Creek which borders Washington and Allegany
Counties and Catoctin Creek in Frederick County -- streams
19) Hagenius brevistylus Selys, 1854 -- Dragonhunter -- widespread -- uncommon -- rivers and streams -- recorded from Ga, Al, Wa,
Fr, Cl, Ba, Ha, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Ke, Qa, Co, Wi, Wo, and Washington D.C.
20) Lanthus parvulus (Selys, 1854) -- Northern Pygmy Clubtail -- known from Garrett and Allegany Counties -- rare -- streams
21) Lanthus vernalis Carle, 1980 -- Southern Pygmy Clubtail -- known from Garrett, Frederick and Hartford Counties -- rare -- streams
22) Ophiogomphus incurvatus incurvatus Carle, 1982 -- Appalachian Snaketail -- uncommon -- rivers and streams -- recorded from
Ho, Ba, Aa
23) Ophiogomphus mainensis fastigiatus Donnelly 1987 -- Maine Snaketail -- known only from Casselman River in Garrett County
24) Ophiogomphus rupinsulensis (Walsh, 1862) -- Rusty Snaketail -- Potomac River and larger tributaries, and Deer Creek in Harford
County -- rare -- recorded from Al, Wa, Mo, Ha
25) Ophiogomphus sp. near susbehcha – known from Maryland from one male specimen taken in 2002 in Frederick County along the
Potomac – undescribed species -- Potomac River
26) Progomphus obscurus (Rambur, 1842) -- Common Sanddragon -- piedmont and coastal plain -- uncommon -- rivers and
streams -- recorded from Cl, Ba, Ho, Mo, Aa, Pg, Qa, Co, Wi, Wo
27) Stylogomphus albistylus (Hagen in Selys, 1878) – Eastern Least Clubtail -- widespread -- rare on Eastern Shore -- uncommon
elsewhere -- streams and rivers -- recorded from Ga, Al, Wa, Fr, Cl, Ba, Ha, Ce, Ho, Mo, Aa, Ch, Sm, Qa and Washington D.C.
28) Stylurus amnicola (Walsh, 1862) -- Riverine Clubtail -- historical record (17-June-1951) from the Potomac River in Montgomery
County
29) Stylurus laurae Williamson, 1932 -- Laura’s Clubtail -- Potomac, Patuxent, and Patapsco Rivers and their tributaries -- uncommon
-- recorded from Wa, Fr, Cl, Ba, Ho, Mo, Pg, Aa. This species has also been found on the Choptank River in Delaware and therefore
likely exists on the Eastern Shore of Maryland.
30) Stylurus plagiatus (Selys, 1854) -- Russet-tipped Clubtail -- coastal plain rivers (except along the Potomac River where it ranges
onto the Piedmont) -- common -- recorded from Mo, Fr, Ha, Aa, Pg, Ch, Co, Ta, Wo, and Washington D.C.
31) Stylurus scudderi (Selys, 1873) – Zebra Clubtail – Known only from a Small population found in 2002 along a stream in Garrett
County.
32) Stylurus spiniceps (Walsh, 1862) -- Arrow Clubtail -- mostly confined to piedmont rivers -- common -- occasionally strays onto the
coastal plain -- recorded from Wa, Fr, Cl, Ba, Ha, Ce, Ho, Mo, Aa, Pg
Aeshnidae
33) Aeshna canadensis Walker, 1908 -- Canada Darner -- recorded from Garrett County -- ponds and bogs -- uncommon
34) Aeshna constricta Say, 1839 -- Lance-tailed Darner -- one historical record -- location unknown -- marshes
35) Aeshna tuberculifera Walker, 1908 -- Black-tipped Darner -- Ga, Wa, Ha, Ho and Fr Counties (uncommon) -- two historical records
from Prince George’s County (both in 1916) -- bogs and ponds
36) Aeshna umbrosa Walker, 1908 -- Shadow Darner -- widespread -- common -- slow flowing streams -- recorded from Ga, Al, Wa,
Fr, Ba, Ha, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Co, Wo and Washington D.C.
37) Aeshna verticalis Hagen, 1861 -- Green-striped Darner -- Garrett (uncommon), Washington (rare), Montgomery (rare), Anne
Arundel (rare), and Prince George’s (historical) Counties -- marshes
38) Anax junius (Drury, 1770) -- Common Green Darner -- widespread -- common -- still or slow moving water -- recorded from all
Maryland Counties and Washington D.C.
39) Anax longipes Hagen, 1861 -- Comet Darner -- widespread -- uncommon -- ponds -- recorded from Ga, Fr, Cl, Ha, Ce, Ba, Ho, Mo,
Aa, Pg, Ct, Ch, Sm, Co, Do, Ta, Wi, So, Wo, and Washington D.C.
40) Basiaeschna janata (Say, 1939) -- Springtime Darner -- widespread -- uncommon -- streams -- recorded from Ga, Al, Wa, Fr, Ho,
Mo, Aa, Pg, Ce, Ch, Sm, Ke, Qa, Co, So, Wi, Wo
41) Boyeria grafiana Williamson, 1907 -- Ocellated Darner -- Garrett, Allegany, and Washington Counties – rare except along Muddy
Creek in Garrett County where it is uncommon -- one historical record for Baltimore County -- rivers and streams
42) Boyeria vinosa (Say, 1839) -- Fawn Darner -- widespread -- uncommon -- rivers and streams -- recorded from Ga, Al, Wa, Fr, Cl,
Ba, Ha, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Qa, Do, Co, Wi, Wo, and Washington D.C.
43) Epiaeschna heros (Fabricius, 1798) -- Swamp Darner -- widespread -- common -- swamps -- recorded from Washington D.C. and
all MD counties
44) Gomphaeschna antilope (Hagen, 1874) -- Taper-tailed Darner -- rare -- bogs -- recorded from Ba, Aa, Ct, Co, Wi, Wo, and
Washington D.C. (historical record)
45) Gomphaeschna furcillata (Say, 1839) -- Harlequin Darner -- widespread -- uncommon -- swamps and bogs -- recorded from Al,
Wa, Fr, Mo, Aa, Pg, Ct, Ch, Sm, Ke, Co, Do, Wi, Wo
46) Nasiaeschna pentacantha (Rambur, 1842) -- Cyrano Darner -- widespread -- uncommon -- still or slow moving water -- recorded
from Al, Wa, Fr, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Ke, Qa, Co, Wi, Wo and Washington D.C.
47) Rhionaeschna mutata Hagen, 1861 -- Spatterdock Darner – widespread but very rare – records from Ga, Wa, Fr, Aa, Pg but
currently only one site in Garrett County is known to maintain a population -- ponds
Cordulegastridae
48) Cordulegaster bilineata Carle, 1983 -- Brown Spiketail – Fr, Ba, Mo, Ho, Ch, Ct, AA, PG, Sm and Washington D.C. -- uncommon --
streams
49) Cordulegaster diastatops Selys, 1854 -- Delta-spotted Spiketail -- Garrett and Allegany Counties (uncommon) and Queen Annes
County (Rare) -- streams (note - old Washington D.C. record C. bilineata)
50) Cordulegaster erronea Hagen in Selys, 1878 -- Tiger Spiketail -- piedmont and coastal plain -- rare -- streams -- recorded from
Ga, Fr, Ba, Ha, Ce, Ho, Mo, Pg, Ct, Ch, Sm, Co, and Washington D.C.
51) Cordulegaster maculata Selys, 1854 --Twin-spotted Spiketail -- widespread -- uncommon -- streams -- recorded from Ga, Al, Wa,
Fr, Cl, Ba, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Co, Wo, and Washington D.C.
52) Cordulegaster obliqua (Say, 1839) -- Arrowhead Spiketail -- rare -- streams -- both subspecies occur in Maryland C. o. obliqua
recorded from Ga, Ba, Mo, Pg, Ch, Sm, Co, and Washington D.C. (historical record pre-1921) and C. o. fasciata from a single site in
Charles County
Macromiidae
53) Didymops transversa (Say, 1839) -- Stream Cruiser -- widespread -- common -- streams and rivers -- recorded from Ga, Al, Wa,
Fr, Cl, Ho, Mo, Aa, Pg, Ct, Ch, Ke, Qa, Co, Wi, Wo and Washington D.C.
54) Macromia alleghaniensis Williamson, 1909 -- Allegheny River Cruiser -- western Maryland with a few records from the Piedmont --
uncommon -- recorded from Al, Wa, Fr, Mo
55) Macromia illinoiensis Walsh, 1862 – Swift River Cruiser
55a) Macromia illinoiensis illinoiensis (Walsh, 1862) -- Illinois River Cruiser -- common -- western Maryland to the Piedmont/Coastal
plain interface where it readily interbreeds with M. i. georgina -- full subspecies recorded from Al, Wa, Fr, Ba, Ha, Ce and Washington D.
C. -- Ho, Aa, Pg ( mostly intergrades) -- Mo (mostly intergrades along lower Patuxent River, full subspecies along Potomac River)
55b) Macromia illinoiensis georgina (Selys, 1878) -- Georgia River Cruiser -- common -- eastern Maryland to the Piedmont/Coastal
plain interface where it readily interbreeds with M. i. illinoiensis -- recorded from Ho (intergrades), Mo (intergrades), Aa (mostly
intergrades), Pg (mostly intergrades), and full subspecies from Ch, Sm, Co, Qa, Do, Wi, Wo and Washington D.C.
56) Macromia taeniolata Rambur, 1842 -- Royal River Cruiser -- piedmont and coastal plain -- uncommon -- rivers and streams -- in
recent years taken only along the Potomac and Pocomoke Rivers – recorded from Ba, Mo, Pg, Wi, Wo, and Washington D.C. (historical
record 1907)
Corduliidae
57) Cordulia shurtleffi Scudder, 1866 -- American Emerald -- Garrett and Frederick Counties -- uncommon -- bogs and ponds on the
Allegheny Plateau and Blue Ridge Mountains
58) Dorocordulia lepida (Hagen in Selys, 1871) -- Petite Emerald -- historical record from Montgomery County -- bogs
59) Epicordulia princeps (Hagen, 1861) -- Prince Baskettail -- widespread -- uncommon -- large open ponds, lakes, slow moving
rivers -- reported from Ga, Al, Wa, Fr, Cl, Ba, Ha, Ce, Ho, Mo, Aa, Pg, Ch, Ke, Co, Qa, Do, Wo, and Washington D.C.
60) Helocordulia selysii (Hagen in Selys, 1878) -- Selys’ Sundragon -- western shore of the coastal plain -- uncommon -- streams --
recorded from Aa, Pg, Ch. Also known from Delaware on the Choptank River and Nanticoke drainages near the MD stateline.
61) Helocordulia uhleri (Selys, 1871) -- Uhler’s Sundragon -- uncommon -- streams -- recorded from Al, Wa, Ch
62) Neurocordulia obsoleta (Say, 1839) -- Umber Shadowdragon – Potomac, Sideling Hill, Susquehanna, and Choptank Rivers and
Unicorn Creek -- records from Al, Wa, Fr, Mo, Ce, Co, Qa and Washington D.C. -- common
63) Neurocordulia yamaskanensis (Provancher, 1875) -- Stygian Shadowdragon -- known from AL, Wa, Mo, Fr, Ce -- all from the
Potomac River except for one record from Sideling Hill Creek and two records from Susquehanna River -- common along Potomac
River and uncommon on Sideling Hill Creek and Susquehanna River
64) Somatochlora elongata (Scudder, 1866) -- Ski-tipped Emerald -- one historical record (Montgomery County ?) and a few current
records from Garrett County -- rare
65) Somatochlora filosa (Hagen, 1861) -- Fine-lined Emerald -- coastal plain -- rare -- edges of fresh water marshes on the Coastal
Plain -- recorded from Pg, Ct, Ch, Co, Ke, Do, Wi, Wo, and Washington D.C. (historical record, 1921)
66) Somatochlora linearis (Hagen, 1861) -- Mocha Emerald -- widespread -- uncommon -- forested streams -- recorded from Ga, Al,
Wa, Fr, Ho, Ba, Ha, Aa, Mo, Pg, Ct, Ch, Sm, Co, Ke, Wi, Wo, and Washington D.C.
67) Somatochlora provocans Calvert, 1903 -- Treetop Emerald -- recorded from Anne Arundel, Prince George’s, Charles and Caroline
Counties -- rare – bog rivilets?
68) Somatochlora walshii (Scudder, 1866) -- Brush-tipped Emerald -- rare -- known only from one site in Garrett County in 2008 -- bog
streams
69) Somatochlora tenebrosa (Say, 1839) -- Clamp-tipped Emerald -- widespread -- uncommon -- streams -- recorded from Ga, Al,
Wa, Fr, Ba, Ha, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Qa, Co and Washington D.C.
70) Tetragoneuria canis McLachlan, 1886 -- Beaverpond Baskettail -- Garrett County -- uncommon -- ponds
71) Tetragoneuria costalis Selys, 1871 (form williamsoni) -- Slender Baskettail -- rare -- ponds -- recorded from Howard, Prince
Georges, Anne Arundel and Queen Annes Counties (old Charles County record was in error).
72) Tetragoneuria cynosura (Say, 1839) -- Common Baskettail -- widespread -- abundant -- still or slow moving water -- recorded
from Ga, Al, Wa, Fr, Ba, Ha, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Ke, Qa, Co, Do, Wi, Wo and Washington D.C. On occasion this species
hybridizes with T. costalis (Howard Co.) and T. spinosa (Anne Arundel Co.)
73) Tetragoneuria semiaquea (Burmeister, 1839) -- Mantled Baskettail -- historical record from Prince George’s County (1954) -- bogs
74) Tetragoneuria spinosa (Hagen, 1878) -- Robust Baskettail - coastal plain inland into Piedmont only along the Potomac flood plain
-- uncommon -- swamps with slow moving water -- recorded from Fr, Aa, Pg, Ch, Wo
Libellulidae
75) Brachymesia gravida (Calvert, 1890) -- Four-spotted Pennant -- coastal plain -- uncommon to common (slightly brackish water) --
recorded from Aa, Ct, Ch, Sm, Ke, Do, So, Wo
76) Celithemis elisa (Hagen, 1861) -- Calico Pennant -- widespread -- common -- marshes -- recorded from Ga, Al, Wa, Fr, Cl, Ha, Ba,
Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Ke, Qa, Co, Ta, Do, Wi, So, Wo
77) Celithemis eponina (Drury, 1773) -- Halloween Pennant -- widespread -- uncommon -- marshes -- Ga, Al, Fr, Ha, Cl, Ba, Ce, Ho,
Mo, Aa, Pg, Ct, Ch, Sm, Ke, Qa, Co, Ta, Do, Wi,, So, Wo, and Washington D.C.
78) Celithemis fasciata Kirby, 1889 -- Banded Pennant -- uncommon -- marshes -- recorded from Ga, Fr, Ba, Ha, Mo, Ho, Aa, Pg, Ct,
Ch, Sm, Wo
79) Celithemis martha Williamson, 1922 -- Martha’s Pennant – Worcester, Anne Arundel and Prince George’s Counties -- rare --
marshes
80) Celithemis ornata (Rambur, 1842) -- Ornate Pennant -- Anne Arundel County -- rare -- marshes – In Maryland this species is
known from only one site where hybrids with C. martha occur
81) Celithemis verna Pritchard, 1935 -- Double-ringed Pennant -- coastal plain (uncommon) and piedmont (rare) -- marshes --
recorded from Fr, Mo, Ce, Aa, Pg, Co, Ch, Wo
82) Erythemis simplicicollis (Say, 1839) -- Common Pondhawk -- widespread -- abundant -- ponds -- recorded from all Maryland
counties and Washington D.C.
83) Erythrodiplax berenice (Drury, 1770) -- Seaside Dragonlet -- brackish water sites on the coastal plain -- common -- recorded for
Ba, Aa, Ct, Ch, Sm, Ke, Qa, Co, Ta, Do, Wi, So, Wo, and Washington D.C. (historical record, 1899)
84) Erythrodiplax minuscula (Rambur, 1842) -- Little Blue Dragonlet -- rare -- ponds -- recorded from Fr, Mo, Aa, Pg, Ch
85) Ladona deplanata (Rambur, 1842) -- Blue Corporal -- coastal plain and blue ridge mountains (abundant), rare elsewhere -- ponds
-- recorded from Wa, Fr, Ba, Ho, Ce, Mo, Aa, Pg, Ct, Ch, Sm, Ke, Qa, Co, Do, Wi, So, Wo
86) Ladona exusta (Say, 1839) -- White Corporal -- Anne Arundel County -- rare -- bogs
87) Ladona julia (Uhler, 1857) -- Chalk-fronted Corporal -- common in bogs in Garrett County, also known from ponds on top of the
Blue Ridge Mountains in Frederick County -- historical records from Anne Arundel and Baltimore Counties
88) Leucorrhinia frigida Hagen, 1890 -- Frosted Whiteface -- rare -- 2007 record from a pond in the Blue Ridge Mountains in Frederick
County and a 2008 record from North Cherry creek bog in Garrett County
89) Leucorrhinia glacialis Hagen, 1890 -- Crimson-ringed Whiteface -- rare in Garrett County -- bogs
90) Leucorrhinia hudsonica (Selys, 1850) -- Hudsonian Whiteface -- rare in Garrett County -- bogs
91) Leucorrhinia intacta (Hagen, 1861) -- Dot-tailed Whiteface -- uncommon in Garrett and Allegany Counties plus two historical
records in Baltimore County -- bogs and ponds
92) Libellula auripennis Burmeister, 1839 -- Golden-winged Skimmer -- uncommon -- ponds -- recorded from Ga, Fr, Ho, Aa, Pg, Ct,
Ch and Washington D.C.
93) Libellula axilena Westwood, 1837 -- Bar-winged Skimmer -- widespread-- uncommon -- temporary pools and edges of ponds --
recorded from Ga, Wa, Fr, Cl, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Ce, Ch, Do, Wi, Wo
94) Libellula cyanea Fabricius, 1775 -- Spangled Skimmer -- widespread -- abundant -- ponds -- recorded from all Maryland Counties
and Washington D.C.
95) Libellula flavida Rambur, 1842 -- Yellow-sided Skimmer -- piedmont and western shore of the coastal plain -- uncommon -- bogs
and grassy seeps -- recorded from Ga, Fr, Ba, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Co and Washington D.C. (historical record, 1899)
96) Libellula incesta Hagen, 1861 -- Slaty Skimmer -- widespread -- common -- ponds -- recorded from Wa, Fr, Cl, Ba, Ha, Ce, Ho, Mo,
Aa, Pg, Ct, Ch, Sm, Ke, Qa, Co, Ta, Do, Wi, So, Wo, and Washington D.C.
97) Libellula luctuosa Burmeister, 1839 -- Widow Skimmer -- widespread -- common -- ponds -- recorded from all Maryland Counties
and Washington D.C.
98) Libellula needhami Westfall, 1943 -- Needham’s Skimmer -- coastal plain (common), uncommon on the piedmont -- still and slow
moving water -- recorded from Fr, Ba, Ce, Ha, Ho, Aa, Pg, Ct, Ch, Sm, Ke, Qa, Ta, Do, Wi, So, Wo, and Washington D.C.
99) Libellula pulchella Drury, 1770 -- Twelve-spotted Skimmer -- widespread -- common – fresh to degraded temporary or semi-
temporary ponds -- recorded from all Maryland counties and Washington D.C.
100) Libellula quadrimaculata Linnaeus, 1758 -- Four-spotted Skimmer -- single Maryland historical record (county?) -- probably a
stray
101) Libellula semifasciata Burmeister, 1839 -- Painted Skimmer -- widespread -- common -- marshy edges of ponds -- recorded
from Ga, Fr, Cl, Ba, Ce, Ha, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Ke, Co, Ta, Do, So, Wi, Wo, and Washington D.C.
102) Libellula vibrans Fabricius, 1793 -- Great Blue Skimmer -- widespread -- common -- still or slow moving water --Al, Wa, Fr, Cl, Ba,
Ha, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Ke, Qa, Co, Do, Wi, Wo, and Washington D.C.
103) Miathyria marcella (Selys in Sagra, 1856) -- Greater Hyacinth Glider -- single male collected in Howard County in 1999 --
probably a stray -- ponds
104) Nannothemis bella Uhler, 1857 -- Elfin Skimmer – Frederick, Anne Arundel, Prince George’s and Caroline Counties -- bogs --
rare
105) Orthemis ferruginea Fabricius, 1775) -- Roseate Skimmer -- two males seen with one male photographed in Howard County in
1999 -- single male observed at the National Arboretum in Washington, D.C. in 1998 -- ponds
106) Pachydiplax longipennis (Burmeister, 1839) -- Blue Dasher -- widespread -- abundant -- still and slow moving water -- recorded
from all counties in Maryland and Washington D.C.
107) Pantala flavescens (Fabricius, 1798) -- Wandering Glider -- widespread -- common -- shallow or temporary ponds -- recorded
from Ga, Fr, Cl, Ba, Ha, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Qa, Co, Ta, Do, Wi, So, Wo, and Washington D.C.
108) Pantala hymenaea (Say, 1839) -- Spot-winged Glider -- widespread -- common -- shallow or temporary ponds --recorded from
Ga, Al, Wa, Fr, Ba, Ha, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Qa, Co, Ta, Do, Wi, Wo, and Washington D.C.
109) Perithemis tenera (Say, 1839) -- Eastern Amberwing -- widespread -- common -- ponds and other still water -- recorded from all
counties in Maryland and Washington D.C.
110) Plathemis lydia (Drury, 1770) -- Common Whitetail -- widespread -- abundant -- ponds -- recorded from all Maryland counties and
Washington D.C.
111) Sympetrum ambiguum (Rambur, 1842) -- Blue-faced Meadowhawk -- piedmont and coastal plain -- common -- temporary pools
-- recorded from Wa, Ba, Ce, Ho, Mo, Aa, Pg, Ct, Qa, Ch, SM, Co, So, Wo
112) Sympetrum internum Montgomery, 1943 -- Cherry-faced Meadowhawk -- rare -- historical records from Montgomery County and
Washington D.C. -- ponds [NOTE – Sympetrum janeae Carle, 1993 -- Jane’s Meadowhawk -- is probably not a valid species --
possibly a form of S. internum or hybrid of S. rubicundulum and S. internum -- Small ponds or pools -- recorded from Fr, Ce, Mo, Pg
(but all records are suspect)]
113) Sympetrum obtrusum (Hagen, 1867) -- White-faced Meadowhawk -- uncommon in western Maryland becoming rare on the
western shore of the coastal plain -- recorded from Ga, Al, Ba, Ho, Mo, Pg
114) Sympetrum rubicundulum (Say, 1839) -- Ruby Meadowhawk -- widespread – uncommon except on the eastern shore where rare
-- Small ponds or pools -- recorded from Ga, Al, Wa, Fr, Cl, Ba, Ha, Ce, Ho, Mo, Pg, Co and Washington D.C.
115) Sympetrum semicinctum (Say, 1839) -- Band-winged Meadowhawk -- widespread (however not yet recorded from the eastern
shore) -- marshes -- recorded from Ga, Wa, Fr, Ba, Ha, Ce, Ho, Aa, Pg, and Washington D.C.
116) Sympetrum vicinum (Hagen, 1861) -- Autumn Meadowhawk -- widespread -- abundant -- ponds -- recorded from Ga, Al, Wa, Fr,
Cl, Ba, Ha, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Qa, Co, Ta, So, Wo, and Washington D.C.
117) Tramea calverti Muttkowski, 1910 -- Striped Saddlebags -- one historical record from Worcester County from August 22, 1976 --
probably a stray
118) Tramea carolina (Linnaeus, 1763) -- Carolina Saddlebags -- widespread -- common -- ponds -- recorded from all counties
(except Al and Wa) and Washington D.C.
119) Tramea lacerata Hagen, 1861 -- Black Saddlebags -- widespread -- common -- ponds -- recorded from all counties (except Al)
and Washington D.C.
120) Tramea onusta Hagen, 1861 -- Red Saddlebags -- Prince George’s, Howard, Calvert and Worcester Counties -- rare -- probably
strays
ZYGOPTERA (DAMSELFLIES):
Calopterygidae
121) Calopteryx aequabilis Say, 1839 -- River Jewelwing -- Garrett County -- so far only larval (no adults) found at two locations -- rare
-- streams
122) Calopteryx amata Hagen, 1889 -- Superb Jewelwing -- Garrett County -- rare -- streams
123) Calopteryx angustipennis (Selys, 1853) -- Appalachian Jewelwing -- rare in streams in Allegany County and Washington
County
124) Calopteryx dimidiata Burmeister, 1839 -- Sparkling Jewelwing -- known from historical records from Prince George’s County and
Washington D.C. from 1906 through 1917. Currently known from Caroline, Queen Anne's, and Wicomico Counties.
125) Calopteryx maculata (Beauvois, 1805) -- Ebony Jewelwing -- widespread -- common -- forested streams -- recorded from
Washington D.C. and all Maryland counties except Talbot
126) Hetaerina americana (Fabricius, 1798) -- American Rubyspot -- widespread, however, not yet recorded from the eastern shore --
abundant along Potomac River, uncommon elsewhere -- recorded from Al, Wa, Fr, Ba, Ha, Ce, Ho, Mo, Aa, Pg, and Washington D.C.
127) Hetaerina titia (Drury, 1773) -- Smoky Rubyspot -- Potomac River -- has not been sighted since the 1970s -- recorded from Mo,
Pg, and Washington D.C.
Lestidae
128) Archilestes grandis (Rambur, 1842) -- Great Spreadwing -- widespread but not yet recorded from the eastern shore --
uncommon -- streams -- recorded from Ga, Al, Ba, Ho, Mo, Aa, Pg, Ct, and Washington D.C.
129) Lestes australis Walker, 1952 -- Southern Spreadwing -- piedmont and coastal plain -- common -- ponds -- recorded from Fr,
Ha, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Qa, Co, Ke, Do, Wi, Wo and Washington D.C.
130) Lestes congener Hagen, 1861 -- Spotted Spreadwing -- uncommon -- ponds -- recorded from Ga, Ba, Ho, Pg, Co
131) Lestes disjunctus Selys, 1862 -- Northern Spreadwing -- Garrett County -- uncommon -- ponds
132) Lestes dryas Kirby, 1890 -- Emerald Spreadwing -- historical record (pre-1940) -- Baltimore City and Washington D.C. -- ponds
133) Lestes eurinus Say, 1839 -- Amber-winged Spreadwing -- widespread (however, has not yet been recorded from the eastern
shore) -- uncommon -- ponds -- recorded from Ga, Fr, Ho, Aa, Pg
134) Lestes forcipatus Rambur, 1842 -- Sweetflag Spreadwing -- piedmont and coastal plain -- uncommon -- ponds -- recorded from
Ga, Fr, Ba, Ho, Mo, Aa, Pg, Co, Qa, Do and Washington D.C.
135) Lestes inaequalis Walsh, 1862 -- Elegant Spreadwing -- widespread -- uncommon -- ponds -- recorded from Ga, Ba, Ce, Ho, Mo,
Aa, Pg, Ch, Ke, Co, Wo and Washington D.C.
136) Lestes rectangularis Say, 1839 -- Slender Spreadwing -- widespread -- common -- ponds -- recorded from Ga, Wa, Fr, Cl, Ba,
Ha, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Co, Do, Wo, and Washington D.C.
137) Lestes unguiculatus Hagen, 1861 -- Lyre-tipped Spreadwing -- historical records from Prince George’s County (16-August-
1914), Baltimore County (19-May-1978) and Washington D. C. (31-July-1899) -- ponds
138) Lestes vigilax Hagen in Selys, 1862 -- Swamp Spreadwing -- uncommon -- ponds -- recorded from Ga, Al, Fr, Ba, Ha, Ho, Aa, Pg,
Ch, Co, Wi, Wo
Coenagrionidae
139) Amphiagrion saucium (Burmeister, 1839) -- Eastern Red Damsel -- widespread -- grassy seeps -- recorded from Ga, Fr, Cl, Ba,
Ho, Mo, Aa, Pg, Ct, Ch, SM, Co, Qa, Do, Wi and Washington D.C.
140) Argia apicalis (Say, 1839) -- Blue-fronted Dancer -- widespread -- common -- streams, rivers, and ponds -- recorded from Ga, Al,
Wa, Fr, Cl, Ba, Ha, Ho, Ce, Mo, Aa, Pg, Ke, Qa, Co, Ta, Wo, and Washington D.C.
141) Argia bipunctulata (Hagen, 1861) -- Seepage Dancer -- Anne Arundel, Prince George’s, Baltimore, Howard, Charles Counties
and Washington D.C. (historical records, 1899) -- very local -- grassy seeps and bogs
142) Argia fumipennis violacea (Hagen, 1861) -- Violet Dancer -- widespread -- common -- wide variety of aquatic habitats -- recorded
from Ga, Al, Wa, Fr, Cl, Ba, Ha, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Ke, Do, Qa, Co, Wi, Wo, and Washington D.C.
143) Argia moesta (Hagen, 1861) -- Powdered Dancer -- widespread (however not yet recorded from the eastern shore) -- often
abundant -- rivers and streams -- recorded from Ga, Al, Wa, Fr, Cl, Ba, Ha, Ce, Ho, Mo, Aa, Pg, and Washington D.C.
144) Argia sedula (Hagen, 1861) -- Blue-ringed Dancer -- widespread but not yet recorded from the eastern shore -- common along
the Potomac River, uncommon elsewhere -- recorded from Wa, Fr, Ha, Ba, Mo, Aa, and Washington D.C.
145) Argia tibialis (Rambur, 1842) -- Blue-tipped Dancer -- widespread -- abundant -- streams and rivers -- recorded from Ga, Wa, Fr,
Cl, Ba, Ha, Ho, Mo, Aa, Pg, Ch, Sm, Ke, Qa, Co, Wi, Wo, and Washington D.C.
146) Argia translata Hagen in Selys, 1865 --Dusky Dancer -- widespread -- Al, Wa, Fr, Ba, Ce, Ha, Ho, Mo, Aa, Cl, and Washington D.
C. -- usually uncommon, occasionally abundant -- usually found on rivers, occasionally at the edges of lakes.
147) Chromagrion conditum (Hagen in Selys, 1876) -- Aurora Damsel -- widespread -- uncommon -- ponds, swamps, and bogs --
recorded from Ga, Al, Fr, Ba, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Co, Wi, Wo and Washington D.C.
148) Enallagma annexum (Hagen, 1861) – Northern Bluet – rare -- two location recorded from Garrett County -- ponds
149) Enallagma antennatum (Say, 1839) -- Rainbow Bluet -- Garrett County -- rare -- ponds
150) Enallagma aspersum (Hagen, 1861) -- Azure Bluet -- widespread -- common -- ponds -- recorded from Ga, Fr, Ba, Ha, Ce, Ho,
Mo, Aa, Pg, Ct, Sm, Ke, Co, Ta, Do, Wi, Wo and Washington DC
151) Enallagma basidens Calvert, 1902 -- Double-striped Bluet -- widespread -- uncommon -- ponds and lakes -- recorded from Al,
Wa, Fr, Cl, Ba, Ha, Ho, Mo, Pg, Ct, Ch, Co, Qa and Washington D.C.
152) Enallagma carunculatum Morse, 1895 -- Tule Bluet -- historical records from Garrett, Harford, and Prince George’s Counties --
current record from Allegany County -- ponds
153) Enallagma civile (Hagen, 1861) -- Familiar Bluet -- widespread -- common -- ponds -- recorded from all Maryland Counties
(except Dorchester) and Washington D.C.
154) Enallagma daeckii (Calvert, 1903) -- Attenuated Bluet -- rare Piedmont, uncommon coastal plain -- ponds -- recorded from Fr, Aa,
Pg, Ch, Co, Wi, Wo
155) Enallagma divagans Selys, 1876 -- Turquoise Bluet -- widespread -- uncommon -- streams -- recorded from Ga, Al, Fr, Ha, Ho,
Mo, Aa, Pg, Ch, SM, Qa, Co, So, Wo and Washington D.C.
156) Enallagma doubledayi (Selys, 1850) -- Atlantic Bluet -- historical records from Montgomery County (1-June-1900) and Prince
George’s County (25-August-1916), a 2006 record from Hart-Miller Island in Baltimore County and a 2007 record from Wicomico
County -- ponds and bogs
157) Enallagma dubium Root, 1924 -- Burgundy Bluet -- coastal plain -- rare – ponds – 2003 record from Worcester County, earlier
claims from western shore coastal plain location have yet to be confirmed
158) Enallagma durum (Hagen, 1861) -- Big Bluet -- piedmont from the Potomac River and Bush River, and large rivers of the coastal
plain – usually uncommon but on occasion can be locally abundant -- recorded from Fr, Ha, Ce, Mo, Aa, Pg, Ct, Ch, Ke, Qa, Do, and
Washington D.C.
159) Enallagma ebrium (Hagen, 1861) -- Marsh Bluet -- historical record from Lake Roland, Baltimore County pre-1910
160) Enallagma exsulans (Hagen, 1861) -- Stream Bluet -- widespread -- abundant -- rivers and streams -- recorded from Ga, Al, Wa,
Fr, Cl, Ba, Ce, Ha, Ho, Mo, Aa, Pg, Ch, Qa, Co, Wo, and Washington, D.C.
161) Enallagma geminatum Kellicott, 1895 -- Skimming Bluet -- widespread -- common -- ponds -- recorded from Ga, Al, Wa, Fr, Cl,
Ha, Ce, Ho, Mo, Aa, Pg, Ch, Qa, Co, Do, Wi, Wo and Washington D.C.
162) Enallagma hageni (Walsh, 1863) -- Hagen’s Bluet -- Garrett County (common), historical record for Baltimore County (23-June-
1922) -- ponds
163) Enallagma pallidum Root, 1923 -- Pale Bluet – two records from ponds in Wicomico County, one in 1922 and other in 2003
164) Enallagma signatum (Hagen, 1861) -- Orange Bluet -- widespread -- common -- still or slow moving water -- recorded from Ga,
Wa, Fr, Cl, Ba, Ha, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Qa, Co, Wi, Do, So, Wo, and Washington D.C.
165) Enallagma traviatum Selys, 1876 -- Slender Bluet --widespread --uncommon -- ponds – both the eastern and western
subspecies occur in Maryland and can be found together in the Catoctin Mtns -- recorded from Ga, Wa, Fr, Cl, Ha, Ho, Mo, Aa, Pg, Ch,
SM, Qa, Co, Wi, and Washington D.C.
166) Enallagma vesperum Calvert, 1919 -- Vesper Bluet -- uncommon -- ponds -- recorded from Ga, Ba, Ho, Mo, Aa, Pg, Ch, Qa, Co, Wi
167) Enallagma weewa Boyers, 1927 -- Blackwater Bluet -- recorded from Ha, Qa, Co, Wi, So and Wo Counties.
168) Ischnura hastata (Say, 1839) -- Citrine Forktail -- widespread -- common -- grassy seeps and marshes -- recorded from Ga, Fr,
Ba, Ha, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Ke, Qa, Co, Ta, Do, Wi, So, Wo, and Washington D.C.
169) Ischnura kellicotti Williamson, 1898 -- Lilypad Forktail -- widespread -- common only on the coastal plain, uncommon elsewhere
-- ponds with floating vegetation -- recorded from Ga, Ha, Ho, Mo, Aa, Pg, Ch, Co, So, Wi and Washington D.C.
170) Ischnura posita posita (Hagen, 1861) -- Fragile Forktail -- widespread -- abundant -- various aquatic habitats -- recorded from all
Maryland counties and Washington D.C.
171) Ischnura prognata (Hagen, 1861-- Furtive Forktail -- rare -- first found in Maryland in 2007 -- Slow to still moving shaded water --
recorded from Co, Wi & Wo Counties
172) Ischnura ramburii (Selys, 1850) -- Rambur’s Forktail -- coastal plain (plus two records from the Piedmont) -- common -- still,
usually slightly brackish, water -- recorded from Fr, Ba, Ha, Mo, Aa, Pg, Ct, Ch, Sm, Ke, Qa, Co, Ta, Do, Wi, So, Wo, and Washington D.
C.
173) Ischnura verticalis (Say, 1839) -- Eastern Forktail -- widespread -- abundant -- ponds -- recorded from all counties in Maryland
except Dorchester County. Also recorded for Washington D.C.
174) Nehalennia gracilis Morse, 1895 -- Sphagnum Sprite -- very local -- sphagnum bogs -- recorded from Ha, Ho, Aa, Pg, Ch, Wi, Co,
Wo, and Washington D.C. (historical record)
175) Nehalennia integricollis Calvert, 1913 -- Southern Sprite -- Anne Arundel, Prince George’s, Worchester Counties -- rare -- ponds
and bogs
176) Nehalennia irene (Hagen, 1861) -- Sedge Sprite -- recorded from Garrett (common) , Baltimore (historical, 22-June-1922),
Howard (one location) and Prince George’s (one location) Counties -- bogs
177) Telebasis byersi Westfall, 1957 -- Duckweed Firetail -- recorded in 2007 in Worcester County -- ponds
Recorded species for Maryland in need of additional confirmation:
Gomphus graslinellus Walsh, 1862 Gomphus spicatus Hagen, 1854
Ophiogomphus incurvatus alleghaniensis Carle, 1982 Stylurus notatus (Rambur, 1842)
Aeshna eremita Scudder, 1866
Recorded species for Washington D.C.in need of additional confirmation:
Cordulegaster diastatops Selys, 1854
Key of Maryland Counties by Physiographic Provinces:
ALLEGHENY PLATEAUS: Ga = Garrett VALLEY AND RIDGE: Al = Allegany, Wa = Washington
PIEDMONT: Fr = Frederick, Cl = Carroll, Ba = Baltimore, Ha = Harford, Ce = Cecil, Ho = Howard, Mo = Montgomery
COASTAL PLAIN (western shore): Aa = Anne Arundel, Pg = Prince George’s, Ct = Calvert, Ch= Charles, Sm = St. Marys
COASTAL PLAIN (eastern shore): Ke = Kent, Qa = Queen Annes, Co = Caroline, Ta = Talbot, Do = Dorchester, Wi = Wicomico, So =
Somerset, Wo = Worcester
For additions, corrections or comments please contact Richard Orr <odonata457@comcast.net> or 5215 Durham Rd - East,
Columbia, Maryland 21044. When submitting additions please provide field data. A collected specimen is generally required for new
additions; however, depending upon the species, photographs and/or field notes will be considered.
Last update June 3, 2009 Additions in 2009 are bolded-underlined
ANISOPTERA (DRAGONFLIES)
Petaluridae
1) Tachopteryx thoreyi (Hagen, 1858) -- Gray Petaltail -- piedmont and western shore of the coastal plain -- restricted to permanent
forest seeps -- recorded from Al, Wa, Fr, Ba, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, and a 1898 record from Rock Creek Park, Washington D.C.
Gomphidae
2) Arigomphus villosipes (Selys, 1854) -- Unicorn Clubtail -- widespread -- uncommon -- ponds and still water at edges of rivers --
recorded from Ga, Wa, Ba, Ha, Ce, Ho, Mo, Aa, Pg, Ch, Qa, Co, Do, Wi, So, Wo and Washington D.C.
3) Dromogomphus spinosus Selys, 1854 -- Black-shouldered Spinyleg -- widespread -- common -- streams and rivers -- recorded
from Ga, Al, Wa, Fr, Cl, Ba, Ha, Ce, Ho, Mo, Aa, Pg, Sm, Ke, Qa, Co, Do and Washington D.C.
4) Dromogomphus spoliatus (Hagen in Selys, 1858) -- Flag-tailed Spinyleg -- single record in 2007 from Catoctin Moutains in
Frederick County -- reservoirs -- probably a stray
5) Erpetogomphus designatus Hagen, 1858 -- Eastern Ringtail -- Potomac River (uncommon), Patuxent River (rare) and Blairs Valley
Lake (rare) -- records from Wa, Ho, Mo and Fr Counties and Washington D.C.
6) Gomphus abbreviatus Hagen, 1878 -- Spine-crowned Clubtail -- recorded from the Potomac River across from Washington County
on the Virginia side on 1-May-1979; from Frederick County at Catoctin Creek on 30-May-1957; on the Virginia side of the Potomac
River across from Frederick County on May 1, 2009; from Montgomery County on Potomac River across from Montgomery County on
the Virginia side on 12-May-2004; Sideling Hill Creek (Washington & Allegany Counties) in 2008 and from Town Creek (Allegany
County) in 2009.
7) Gomphus adelphus Selys, 1858 -- Moustached Clubtail -- recorded from the Casselman River in 2007 in Garrett County -- rivers
8) Gomphus descriptus Banks, 1896 -- Harpoon Clubtail – two location records from Garrett County.
9) Gomphus exilis Selys, 1854 -- Lancet Clubtail -- widespread -- common -- still or slow moving water -- recorded from Ga, Al, Wa, Fr,
Ba, Ha, Ce, Ho, Mo, Aa, Pg, Ch, Sm, Ke, Qa, Co, So, Do, Wi, Wo and Washington D.C.
10) Gomphus fraternus (Say, 1839) -- Midland Clubtail -- uncommon – records from Potomac River from Montgomery, Washington,
and Frederick Counties – also present on the Nanticoke River where it has been collected in Sussex County, Delaware but currently
has not been recorded down stream in Maryland
11) Gomphus lineatifrons Calvert, 1921 -- Splendid Clubtail -- Larval historical record from the Potomac River in Frederick County
(date unknown) and Washington County adult record in 2006 on the Potomac River -- rivers and streams
12) Gomphus lividus Selys, 1854 -- Ashy Clubtail -- widespread -- common -- rivers and streams -- recorded from Ga, Al, Wa, Fr, Cl,
Ba, Ce, Ha, Ho, Mo, Aa, Pg, Ch, Ct, Qa, Co, Wi, Wo
13) Gomphus parvidens Currie, 1917 -- Piedmont Clubtail -- historical record from Prince George’s County on the Anacostia River on
22-May-1915
14) Gomphus quadricolor Walsh, 1863 -- Rapids Clubtail -- uncommon to rare -- known Washington, Allegany, Howard, Baltimore,
Harford, Frederick and Montgomery Counties – streams and rivers
15) Gomphus rogersi Gloyd, 1936 -- Sable Clubtail -- rare -- Prince George’s County at Black Walnut Creek (small population), Little
Patuxent River in Anne Arundel County (based on a single cast skin), Cove Point in Calvert County (small population), Salem Tract in
St. Mary’s County (small population), Piney Branch in Charles county (small population), Queen Annes county (small population), one
in Garrett County (large population) and one in Frederick County (medium population) – small streams to rivers
16) Gomphus vastus Walsh, 1862 -- Cobra Clubtail – Susquehanna and Patapsco rivers (uncommon) and Potomac River and its
larger tributaries (common) -- recorded from Wa, Fr, Ba, Ha, Ho, Mo, and Washington D.C.
17) Gomphus ventricosus Walsh, 1863 -- Skillet Clubtail -- historical records from 1914 and 1915 from the Potomac River at Great
Falls (although collected on the Virginia side across from Montgomery County, the Potomac River from which it emerged is owned by
Maryland)
18) Gomphus viridifrons Hine, 1901 -- Green-faced Clubtail -- known from Sideling Hill Creek which borders Washington and Allegany
Counties and Catoctin Creek in Frederick County -- streams
19) Hagenius brevistylus Selys, 1854 -- Dragonhunter -- widespread -- uncommon -- rivers and streams -- recorded from Ga, Al, Wa,
Fr, Cl, Ba, Ha, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Ke, Qa, Co, Wi, Wo, and Washington D.C.
20) Lanthus parvulus (Selys, 1854) -- Northern Pygmy Clubtail -- known from Garrett and Allegany Counties -- rare -- streams
21) Lanthus vernalis Carle, 1980 -- Southern Pygmy Clubtail -- known from Garrett, Frederick and Hartford Counties -- rare -- streams
22) Ophiogomphus incurvatus incurvatus Carle, 1982 -- Appalachian Snaketail -- uncommon -- rivers and streams -- recorded from
Ho, Ba, Aa
23) Ophiogomphus mainensis fastigiatus Donnelly 1987 -- Maine Snaketail -- known only from Casselman River in Garrett County
24) Ophiogomphus rupinsulensis (Walsh, 1862) -- Rusty Snaketail -- Potomac River and larger tributaries, and Deer Creek in Harford
County -- rare -- recorded from Al, Wa, Mo, Ha
25) Ophiogomphus sp. near susbehcha – known from Maryland from one male specimen taken in 2002 in Frederick County along the
Potomac – undescribed species -- Potomac River
26) Progomphus obscurus (Rambur, 1842) -- Common Sanddragon -- piedmont and coastal plain -- uncommon -- rivers and
streams -- recorded from Cl, Ba, Ho, Mo, Aa, Pg, Qa, Co, Wi, Wo
27) Stylogomphus albistylus (Hagen in Selys, 1878) – Eastern Least Clubtail -- widespread -- rare on Eastern Shore -- uncommon
elsewhere -- streams and rivers -- recorded from Ga, Al, Wa, Fr, Cl, Ba, Ha, Ce, Ho, Mo, Aa, Ch, Sm, Qa and Washington D.C.
28) Stylurus amnicola (Walsh, 1862) -- Riverine Clubtail -- historical record (17-June-1951) from the Potomac River in Montgomery
County
29) Stylurus laurae Williamson, 1932 -- Laura’s Clubtail -- Potomac, Patuxent, and Patapsco Rivers and their tributaries -- uncommon
-- recorded from Wa, Fr, Cl, Ba, Ho, Mo, Pg, Aa. This species has also been found on the Choptank River in Delaware and therefore
likely exists on the Eastern Shore of Maryland.
30) Stylurus plagiatus (Selys, 1854) -- Russet-tipped Clubtail -- coastal plain rivers (except along the Potomac River where it ranges
onto the Piedmont) -- common -- recorded from Mo, Fr, Ha, Aa, Pg, Ch, Co, Ta, Wo, and Washington D.C.
31) Stylurus scudderi (Selys, 1873) – Zebra Clubtail – Known only from a Small population found in 2002 along a stream in Garrett
County.
32) Stylurus spiniceps (Walsh, 1862) -- Arrow Clubtail -- mostly confined to piedmont rivers -- common -- occasionally strays onto the
coastal plain -- recorded from Wa, Fr, Cl, Ba, Ha, Ce, Ho, Mo, Aa, Pg
Aeshnidae
33) Aeshna canadensis Walker, 1908 -- Canada Darner -- recorded from Garrett County -- ponds and bogs -- uncommon
34) Aeshna constricta Say, 1839 -- Lance-tailed Darner -- one historical record -- location unknown -- marshes
35) Aeshna tuberculifera Walker, 1908 -- Black-tipped Darner -- Ga, Wa, Ha, Ho and Fr Counties (uncommon) -- two historical records
from Prince George’s County (both in 1916) -- bogs and ponds
36) Aeshna umbrosa Walker, 1908 -- Shadow Darner -- widespread -- common -- slow flowing streams -- recorded from Ga, Al, Wa,
Fr, Ba, Ha, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Co, Wo and Washington D.C.
37) Aeshna verticalis Hagen, 1861 -- Green-striped Darner -- Garrett (uncommon), Washington (rare), Montgomery (rare), Anne
Arundel (rare), and Prince George’s (historical) Counties -- marshes
38) Anax junius (Drury, 1770) -- Common Green Darner -- widespread -- common -- still or slow moving water -- recorded from all
Maryland Counties and Washington D.C.
39) Anax longipes Hagen, 1861 -- Comet Darner -- widespread -- uncommon -- ponds -- recorded from Ga, Fr, Cl, Ha, Ce, Ba, Ho, Mo,
Aa, Pg, Ct, Ch, Sm, Co, Do, Ta, Wi, So, Wo, and Washington D.C.
40) Basiaeschna janata (Say, 1939) -- Springtime Darner -- widespread -- uncommon -- streams -- recorded from Ga, Al, Wa, Fr, Ho,
Mo, Aa, Pg, Ce, Ch, Sm, Ke, Qa, Co, So, Wi, Wo
41) Boyeria grafiana Williamson, 1907 -- Ocellated Darner -- Garrett, Allegany, and Washington Counties – rare except along Muddy
Creek in Garrett County where it is uncommon -- one historical record for Baltimore County -- rivers and streams
42) Boyeria vinosa (Say, 1839) -- Fawn Darner -- widespread -- uncommon -- rivers and streams -- recorded from Ga, Al, Wa, Fr, Cl,
Ba, Ha, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Qa, Do, Co, Wi, Wo, and Washington D.C.
43) Epiaeschna heros (Fabricius, 1798) -- Swamp Darner -- widespread -- common -- swamps -- recorded from Washington D.C. and
all MD counties
44) Gomphaeschna antilope (Hagen, 1874) -- Taper-tailed Darner -- rare -- bogs -- recorded from Ba, Aa, Ct, Co, Wi, Wo, and
Washington D.C. (historical record)
45) Gomphaeschna furcillata (Say, 1839) -- Harlequin Darner -- widespread -- uncommon -- swamps and bogs -- recorded from Al,
Wa, Fr, Mo, Aa, Pg, Ct, Ch, Sm, Ke, Co, Do, Wi, Wo
46) Nasiaeschna pentacantha (Rambur, 1842) -- Cyrano Darner -- widespread -- uncommon -- still or slow moving water -- recorded
from Al, Wa, Fr, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Ke, Qa, Co, Wi, Wo and Washington D.C.
47) Rhionaeschna mutata Hagen, 1861 -- Spatterdock Darner – widespread but very rare – records from Ga, Wa, Fr, Aa, Pg but
currently only one site in Garrett County is known to maintain a population -- ponds
Cordulegastridae
48) Cordulegaster bilineata Carle, 1983 -- Brown Spiketail – Fr, Ba, Mo, Ho, Ch, Ct, AA, PG, Sm and Washington D.C. -- uncommon --
streams
49) Cordulegaster diastatops Selys, 1854 -- Delta-spotted Spiketail -- Garrett and Allegany Counties (uncommon) and Queen Annes
County (Rare) -- streams (note - old Washington D.C. record C. bilineata)
50) Cordulegaster erronea Hagen in Selys, 1878 -- Tiger Spiketail -- piedmont and coastal plain -- rare -- streams -- recorded from
Ga, Fr, Ba, Ha, Ce, Ho, Mo, Pg, Ct, Ch, Sm, Co, and Washington D.C.
51) Cordulegaster maculata Selys, 1854 --Twin-spotted Spiketail -- widespread -- uncommon -- streams -- recorded from Ga, Al, Wa,
Fr, Cl, Ba, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Co, Wo, and Washington D.C.
52) Cordulegaster obliqua (Say, 1839) -- Arrowhead Spiketail -- rare -- streams -- both subspecies occur in Maryland C. o. obliqua
recorded from Ga, Ba, Mo, Pg, Ch, Sm, Co, and Washington D.C. (historical record pre-1921) and C. o. fasciata from a single site in
Charles County
Macromiidae
53) Didymops transversa (Say, 1839) -- Stream Cruiser -- widespread -- common -- streams and rivers -- recorded from Ga, Al, Wa,
Fr, Cl, Ho, Mo, Aa, Pg, Ct, Ch, Ke, Qa, Co, Wi, Wo and Washington D.C.
54) Macromia alleghaniensis Williamson, 1909 -- Allegheny River Cruiser -- western Maryland with a few records from the Piedmont --
uncommon -- recorded from Al, Wa, Fr, Mo
55) Macromia illinoiensis Walsh, 1862 – Swift River Cruiser
55a) Macromia illinoiensis illinoiensis (Walsh, 1862) -- Illinois River Cruiser -- common -- western Maryland to the Piedmont/Coastal
plain interface where it readily interbreeds with M. i. georgina -- full subspecies recorded from Al, Wa, Fr, Ba, Ha, Ce and Washington D.
C. -- Ho, Aa, Pg ( mostly intergrades) -- Mo (mostly intergrades along lower Patuxent River, full subspecies along Potomac River)
55b) Macromia illinoiensis georgina (Selys, 1878) -- Georgia River Cruiser -- common -- eastern Maryland to the Piedmont/Coastal
plain interface where it readily interbreeds with M. i. illinoiensis -- recorded from Ho (intergrades), Mo (intergrades), Aa (mostly
intergrades), Pg (mostly intergrades), and full subspecies from Ch, Sm, Co, Qa, Do, Wi, Wo and Washington D.C.
56) Macromia taeniolata Rambur, 1842 -- Royal River Cruiser -- piedmont and coastal plain -- uncommon -- rivers and streams -- in
recent years taken only along the Potomac and Pocomoke Rivers – recorded from Ba, Mo, Pg, Wi, Wo, and Washington D.C. (historical
record 1907)
Corduliidae
57) Cordulia shurtleffi Scudder, 1866 -- American Emerald -- Garrett and Frederick Counties -- uncommon -- bogs and ponds on the
Allegheny Plateau and Blue Ridge Mountains
58) Dorocordulia lepida (Hagen in Selys, 1871) -- Petite Emerald -- historical record from Montgomery County -- bogs
59) Epicordulia princeps (Hagen, 1861) -- Prince Baskettail -- widespread -- uncommon -- large open ponds, lakes, slow moving
rivers -- reported from Ga, Al, Wa, Fr, Cl, Ba, Ha, Ce, Ho, Mo, Aa, Pg, Ch, Ke, Co, Qa, Do, Wo, and Washington D.C.
60) Helocordulia selysii (Hagen in Selys, 1878) -- Selys’ Sundragon -- western shore of the coastal plain -- uncommon -- streams --
recorded from Aa, Pg, Ch. Also known from Delaware on the Choptank River and Nanticoke drainages near the MD stateline.
61) Helocordulia uhleri (Selys, 1871) -- Uhler’s Sundragon -- uncommon -- streams -- recorded from Al, Wa, Ch
62) Neurocordulia obsoleta (Say, 1839) -- Umber Shadowdragon – Potomac, Sideling Hill, Susquehanna, and Choptank Rivers and
Unicorn Creek -- records from Al, Wa, Fr, Mo, Ce, Co, Qa and Washington D.C. -- common
63) Neurocordulia yamaskanensis (Provancher, 1875) -- Stygian Shadowdragon -- known from AL, Wa, Mo, Fr, Ce -- all from the
Potomac River except for one record from Sideling Hill Creek and two records from Susquehanna River -- common along Potomac
River and uncommon on Sideling Hill Creek and Susquehanna River
64) Somatochlora elongata (Scudder, 1866) -- Ski-tipped Emerald -- one historical record (Montgomery County ?) and a few current
records from Garrett County -- rare
65) Somatochlora filosa (Hagen, 1861) -- Fine-lined Emerald -- coastal plain -- rare -- edges of fresh water marshes on the Coastal
Plain -- recorded from Pg, Ct, Ch, Co, Ke, Do, Wi, Wo, and Washington D.C. (historical record, 1921)
66) Somatochlora linearis (Hagen, 1861) -- Mocha Emerald -- widespread -- uncommon -- forested streams -- recorded from Ga, Al,
Wa, Fr, Ho, Ba, Ha, Aa, Mo, Pg, Ct, Ch, Sm, Co, Ke, Wi, Wo, and Washington D.C.
67) Somatochlora provocans Calvert, 1903 -- Treetop Emerald -- recorded from Anne Arundel, Prince George’s, Charles and Caroline
Counties -- rare – bog rivilets?
68) Somatochlora walshii (Scudder, 1866) -- Brush-tipped Emerald -- rare -- known only from one site in Garrett County in 2008 -- bog
streams
69) Somatochlora tenebrosa (Say, 1839) -- Clamp-tipped Emerald -- widespread -- uncommon -- streams -- recorded from Ga, Al,
Wa, Fr, Ba, Ha, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Qa, Co and Washington D.C.
70) Tetragoneuria canis McLachlan, 1886 -- Beaverpond Baskettail -- Garrett County -- uncommon -- ponds
71) Tetragoneuria costalis Selys, 1871 (form williamsoni) -- Slender Baskettail -- rare -- ponds -- recorded from Howard, Prince
Georges, Anne Arundel and Queen Annes Counties (old Charles County record was in error).
72) Tetragoneuria cynosura (Say, 1839) -- Common Baskettail -- widespread -- abundant -- still or slow moving water -- recorded
from Ga, Al, Wa, Fr, Ba, Ha, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Ke, Qa, Co, Do, Wi, Wo and Washington D.C. On occasion this species
hybridizes with T. costalis (Howard Co.) and T. spinosa (Anne Arundel Co.)
73) Tetragoneuria semiaquea (Burmeister, 1839) -- Mantled Baskettail -- historical record from Prince George’s County (1954) -- bogs
74) Tetragoneuria spinosa (Hagen, 1878) -- Robust Baskettail - coastal plain inland into Piedmont only along the Potomac flood plain
-- uncommon -- swamps with slow moving water -- recorded from Fr, Aa, Pg, Ch, Wo
Libellulidae
75) Brachymesia gravida (Calvert, 1890) -- Four-spotted Pennant -- coastal plain -- uncommon to common (slightly brackish water) --
recorded from Aa, Ct, Ch, Sm, Ke, Do, So, Wo
76) Celithemis elisa (Hagen, 1861) -- Calico Pennant -- widespread -- common -- marshes -- recorded from Ga, Al, Wa, Fr, Cl, Ha, Ba,
Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Ke, Qa, Co, Ta, Do, Wi, So, Wo
77) Celithemis eponina (Drury, 1773) -- Halloween Pennant -- widespread -- uncommon -- marshes -- Ga, Al, Fr, Ha, Cl, Ba, Ce, Ho,
Mo, Aa, Pg, Ct, Ch, Sm, Ke, Qa, Co, Ta, Do, Wi,, So, Wo, and Washington D.C.
78) Celithemis fasciata Kirby, 1889 -- Banded Pennant -- uncommon -- marshes -- recorded from Ga, Fr, Ba, Ha, Mo, Ho, Aa, Pg, Ct,
Ch, Sm, Wo
79) Celithemis martha Williamson, 1922 -- Martha’s Pennant – Worcester, Anne Arundel and Prince George’s Counties -- rare --
marshes
80) Celithemis ornata (Rambur, 1842) -- Ornate Pennant -- Anne Arundel County -- rare -- marshes – In Maryland this species is
known from only one site where hybrids with C. martha occur
81) Celithemis verna Pritchard, 1935 -- Double-ringed Pennant -- coastal plain (uncommon) and piedmont (rare) -- marshes --
recorded from Fr, Mo, Ce, Aa, Pg, Co, Ch, Wo
82) Erythemis simplicicollis (Say, 1839) -- Common Pondhawk -- widespread -- abundant -- ponds -- recorded from all Maryland
counties and Washington D.C.
83) Erythrodiplax berenice (Drury, 1770) -- Seaside Dragonlet -- brackish water sites on the coastal plain -- common -- recorded for
Ba, Aa, Ct, Ch, Sm, Ke, Qa, Co, Ta, Do, Wi, So, Wo, and Washington D.C. (historical record, 1899)
84) Erythrodiplax minuscula (Rambur, 1842) -- Little Blue Dragonlet -- rare -- ponds -- recorded from Fr, Mo, Aa, Pg, Ch
85) Ladona deplanata (Rambur, 1842) -- Blue Corporal -- coastal plain and blue ridge mountains (abundant), rare elsewhere -- ponds
-- recorded from Wa, Fr, Ba, Ho, Ce, Mo, Aa, Pg, Ct, Ch, Sm, Ke, Qa, Co, Do, Wi, So, Wo
86) Ladona exusta (Say, 1839) -- White Corporal -- Anne Arundel County -- rare -- bogs
87) Ladona julia (Uhler, 1857) -- Chalk-fronted Corporal -- common in bogs in Garrett County, also known from ponds on top of the
Blue Ridge Mountains in Frederick County -- historical records from Anne Arundel and Baltimore Counties
88) Leucorrhinia frigida Hagen, 1890 -- Frosted Whiteface -- rare -- 2007 record from a pond in the Blue Ridge Mountains in Frederick
County and a 2008 record from North Cherry creek bog in Garrett County
89) Leucorrhinia glacialis Hagen, 1890 -- Crimson-ringed Whiteface -- rare in Garrett County -- bogs
90) Leucorrhinia hudsonica (Selys, 1850) -- Hudsonian Whiteface -- rare in Garrett County -- bogs
91) Leucorrhinia intacta (Hagen, 1861) -- Dot-tailed Whiteface -- uncommon in Garrett and Allegany Counties plus two historical
records in Baltimore County -- bogs and ponds
92) Libellula auripennis Burmeister, 1839 -- Golden-winged Skimmer -- uncommon -- ponds -- recorded from Ga, Fr, Ho, Aa, Pg, Ct,
Ch and Washington D.C.
93) Libellula axilena Westwood, 1837 -- Bar-winged Skimmer -- widespread-- uncommon -- temporary pools and edges of ponds --
recorded from Ga, Wa, Fr, Cl, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Ce, Ch, Do, Wi, Wo
94) Libellula cyanea Fabricius, 1775 -- Spangled Skimmer -- widespread -- abundant -- ponds -- recorded from all Maryland Counties
and Washington D.C.
95) Libellula flavida Rambur, 1842 -- Yellow-sided Skimmer -- piedmont and western shore of the coastal plain -- uncommon -- bogs
and grassy seeps -- recorded from Ga, Fr, Ba, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Co and Washington D.C. (historical record, 1899)
96) Libellula incesta Hagen, 1861 -- Slaty Skimmer -- widespread -- common -- ponds -- recorded from Wa, Fr, Cl, Ba, Ha, Ce, Ho, Mo,
Aa, Pg, Ct, Ch, Sm, Ke, Qa, Co, Ta, Do, Wi, So, Wo, and Washington D.C.
97) Libellula luctuosa Burmeister, 1839 -- Widow Skimmer -- widespread -- common -- ponds -- recorded from all Maryland Counties
and Washington D.C.
98) Libellula needhami Westfall, 1943 -- Needham’s Skimmer -- coastal plain (common), uncommon on the piedmont -- still and slow
moving water -- recorded from Fr, Ba, Ce, Ha, Ho, Aa, Pg, Ct, Ch, Sm, Ke, Qa, Ta, Do, Wi, So, Wo, and Washington D.C.
99) Libellula pulchella Drury, 1770 -- Twelve-spotted Skimmer -- widespread -- common – fresh to degraded temporary or semi-
temporary ponds -- recorded from all Maryland counties and Washington D.C.
100) Libellula quadrimaculata Linnaeus, 1758 -- Four-spotted Skimmer -- single Maryland historical record (county?) -- probably a
stray
101) Libellula semifasciata Burmeister, 1839 -- Painted Skimmer -- widespread -- common -- marshy edges of ponds -- recorded
from Ga, Fr, Cl, Ba, Ce, Ha, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Ke, Co, Ta, Do, So, Wi, Wo, and Washington D.C.
102) Libellula vibrans Fabricius, 1793 -- Great Blue Skimmer -- widespread -- common -- still or slow moving water --Al, Wa, Fr, Cl, Ba,
Ha, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Ke, Qa, Co, Do, Wi, Wo, and Washington D.C.
103) Miathyria marcella (Selys in Sagra, 1856) -- Greater Hyacinth Glider -- single male collected in Howard County in 1999 --
probably a stray -- ponds
104) Nannothemis bella Uhler, 1857 -- Elfin Skimmer – Frederick, Anne Arundel, Prince George’s and Caroline Counties -- bogs --
rare
105) Orthemis ferruginea Fabricius, 1775) -- Roseate Skimmer -- two males seen with one male photographed in Howard County in
1999 -- single male observed at the National Arboretum in Washington, D.C. in 1998 -- ponds
106) Pachydiplax longipennis (Burmeister, 1839) -- Blue Dasher -- widespread -- abundant -- still and slow moving water -- recorded
from all counties in Maryland and Washington D.C.
107) Pantala flavescens (Fabricius, 1798) -- Wandering Glider -- widespread -- common -- shallow or temporary ponds -- recorded
from Ga, Fr, Cl, Ba, Ha, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Qa, Co, Ta, Do, Wi, So, Wo, and Washington D.C.
108) Pantala hymenaea (Say, 1839) -- Spot-winged Glider -- widespread -- common -- shallow or temporary ponds --recorded from
Ga, Al, Wa, Fr, Ba, Ha, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Qa, Co, Ta, Do, Wi, Wo, and Washington D.C.
109) Perithemis tenera (Say, 1839) -- Eastern Amberwing -- widespread -- common -- ponds and other still water -- recorded from all
counties in Maryland and Washington D.C.
110) Plathemis lydia (Drury, 1770) -- Common Whitetail -- widespread -- abundant -- ponds -- recorded from all Maryland counties and
Washington D.C.
111) Sympetrum ambiguum (Rambur, 1842) -- Blue-faced Meadowhawk -- piedmont and coastal plain -- common -- temporary pools
-- recorded from Wa, Ba, Ce, Ho, Mo, Aa, Pg, Ct, Qa, Ch, SM, Co, So, Wo
112) Sympetrum internum Montgomery, 1943 -- Cherry-faced Meadowhawk -- rare -- historical records from Montgomery County and
Washington D.C. -- ponds [NOTE – Sympetrum janeae Carle, 1993 -- Jane’s Meadowhawk -- is probably not a valid species --
possibly a form of S. internum or hybrid of S. rubicundulum and S. internum -- Small ponds or pools -- recorded from Fr, Ce, Mo, Pg
(but all records are suspect)]
113) Sympetrum obtrusum (Hagen, 1867) -- White-faced Meadowhawk -- uncommon in western Maryland becoming rare on the
western shore of the coastal plain -- recorded from Ga, Al, Ba, Ho, Mo, Pg
114) Sympetrum rubicundulum (Say, 1839) -- Ruby Meadowhawk -- widespread – uncommon except on the eastern shore where rare
-- Small ponds or pools -- recorded from Ga, Al, Wa, Fr, Cl, Ba, Ha, Ce, Ho, Mo, Pg, Co and Washington D.C.
115) Sympetrum semicinctum (Say, 1839) -- Band-winged Meadowhawk -- widespread (however not yet recorded from the eastern
shore) -- marshes -- recorded from Ga, Wa, Fr, Ba, Ha, Ce, Ho, Aa, Pg, and Washington D.C.
116) Sympetrum vicinum (Hagen, 1861) -- Autumn Meadowhawk -- widespread -- abundant -- ponds -- recorded from Ga, Al, Wa, Fr,
Cl, Ba, Ha, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Qa, Co, Ta, So, Wo, and Washington D.C.
117) Tramea calverti Muttkowski, 1910 -- Striped Saddlebags -- one historical record from Worcester County from August 22, 1976 --
probably a stray
118) Tramea carolina (Linnaeus, 1763) -- Carolina Saddlebags -- widespread -- common -- ponds -- recorded from all counties
(except Al and Wa) and Washington D.C.
119) Tramea lacerata Hagen, 1861 -- Black Saddlebags -- widespread -- common -- ponds -- recorded from all counties (except Al)
and Washington D.C.
120) Tramea onusta Hagen, 1861 -- Red Saddlebags -- Prince George’s, Howard, Calvert and Worcester Counties -- rare -- probably
strays
ZYGOPTERA (DAMSELFLIES):
Calopterygidae
121) Calopteryx aequabilis Say, 1839 -- River Jewelwing -- Garrett County -- so far only larval (no adults) found at two locations -- rare
-- streams
122) Calopteryx amata Hagen, 1889 -- Superb Jewelwing -- Garrett County -- rare -- streams
123) Calopteryx angustipennis (Selys, 1853) -- Appalachian Jewelwing -- rare in streams in Allegany County and Washington
County
124) Calopteryx dimidiata Burmeister, 1839 -- Sparkling Jewelwing -- known from historical records from Prince George’s County and
Washington D.C. from 1906 through 1917. Currently known from Caroline, Queen Anne's, and Wicomico Counties.
125) Calopteryx maculata (Beauvois, 1805) -- Ebony Jewelwing -- widespread -- common -- forested streams -- recorded from
Washington D.C. and all Maryland counties except Talbot
126) Hetaerina americana (Fabricius, 1798) -- American Rubyspot -- widespread, however, not yet recorded from the eastern shore --
abundant along Potomac River, uncommon elsewhere -- recorded from Al, Wa, Fr, Ba, Ha, Ce, Ho, Mo, Aa, Pg, and Washington D.C.
127) Hetaerina titia (Drury, 1773) -- Smoky Rubyspot -- Potomac River -- has not been sighted since the 1970s -- recorded from Mo,
Pg, and Washington D.C.
Lestidae
128) Archilestes grandis (Rambur, 1842) -- Great Spreadwing -- widespread but not yet recorded from the eastern shore --
uncommon -- streams -- recorded from Ga, Al, Ba, Ho, Mo, Aa, Pg, Ct, and Washington D.C.
129) Lestes australis Walker, 1952 -- Southern Spreadwing -- piedmont and coastal plain -- common -- ponds -- recorded from Fr,
Ha, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Qa, Co, Ke, Do, Wi, Wo and Washington D.C.
130) Lestes congener Hagen, 1861 -- Spotted Spreadwing -- uncommon -- ponds -- recorded from Ga, Ba, Ho, Pg, Co
131) Lestes disjunctus Selys, 1862 -- Northern Spreadwing -- Garrett County -- uncommon -- ponds
132) Lestes dryas Kirby, 1890 -- Emerald Spreadwing -- historical record (pre-1940) -- Baltimore City and Washington D.C. -- ponds
133) Lestes eurinus Say, 1839 -- Amber-winged Spreadwing -- widespread (however, has not yet been recorded from the eastern
shore) -- uncommon -- ponds -- recorded from Ga, Fr, Ho, Aa, Pg
134) Lestes forcipatus Rambur, 1842 -- Sweetflag Spreadwing -- piedmont and coastal plain -- uncommon -- ponds -- recorded from
Ga, Fr, Ba, Ho, Mo, Aa, Pg, Co, Qa, Do and Washington D.C.
135) Lestes inaequalis Walsh, 1862 -- Elegant Spreadwing -- widespread -- uncommon -- ponds -- recorded from Ga, Ba, Ce, Ho, Mo,
Aa, Pg, Ch, Ke, Co, Wo and Washington D.C.
136) Lestes rectangularis Say, 1839 -- Slender Spreadwing -- widespread -- common -- ponds -- recorded from Ga, Wa, Fr, Cl, Ba,
Ha, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Co, Do, Wo, and Washington D.C.
137) Lestes unguiculatus Hagen, 1861 -- Lyre-tipped Spreadwing -- historical records from Prince George’s County (16-August-
1914), Baltimore County (19-May-1978) and Washington D. C. (31-July-1899) -- ponds
138) Lestes vigilax Hagen in Selys, 1862 -- Swamp Spreadwing -- uncommon -- ponds -- recorded from Ga, Al, Fr, Ba, Ha, Ho, Aa, Pg,
Ch, Co, Wi, Wo
Coenagrionidae
139) Amphiagrion saucium (Burmeister, 1839) -- Eastern Red Damsel -- widespread -- grassy seeps -- recorded from Ga, Fr, Cl, Ba,
Ho, Mo, Aa, Pg, Ct, Ch, SM, Co, Qa, Do, Wi and Washington D.C.
140) Argia apicalis (Say, 1839) -- Blue-fronted Dancer -- widespread -- common -- streams, rivers, and ponds -- recorded from Ga, Al,
Wa, Fr, Cl, Ba, Ha, Ho, Ce, Mo, Aa, Pg, Ke, Qa, Co, Ta, Wo, and Washington D.C.
141) Argia bipunctulata (Hagen, 1861) -- Seepage Dancer -- Anne Arundel, Prince George’s, Baltimore, Howard, Charles Counties
and Washington D.C. (historical records, 1899) -- very local -- grassy seeps and bogs
142) Argia fumipennis violacea (Hagen, 1861) -- Violet Dancer -- widespread -- common -- wide variety of aquatic habitats -- recorded
from Ga, Al, Wa, Fr, Cl, Ba, Ha, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Ke, Do, Qa, Co, Wi, Wo, and Washington D.C.
143) Argia moesta (Hagen, 1861) -- Powdered Dancer -- widespread (however not yet recorded from the eastern shore) -- often
abundant -- rivers and streams -- recorded from Ga, Al, Wa, Fr, Cl, Ba, Ha, Ce, Ho, Mo, Aa, Pg, and Washington D.C.
144) Argia sedula (Hagen, 1861) -- Blue-ringed Dancer -- widespread but not yet recorded from the eastern shore -- common along
the Potomac River, uncommon elsewhere -- recorded from Wa, Fr, Ha, Ba, Mo, Aa, and Washington D.C.
145) Argia tibialis (Rambur, 1842) -- Blue-tipped Dancer -- widespread -- abundant -- streams and rivers -- recorded from Ga, Wa, Fr,
Cl, Ba, Ha, Ho, Mo, Aa, Pg, Ch, Sm, Ke, Qa, Co, Wi, Wo, and Washington D.C.
146) Argia translata Hagen in Selys, 1865 --Dusky Dancer -- widespread -- Al, Wa, Fr, Ba, Ce, Ha, Ho, Mo, Aa, Cl, and Washington D.
C. -- usually uncommon, occasionally abundant -- usually found on rivers, occasionally at the edges of lakes.
147) Chromagrion conditum (Hagen in Selys, 1876) -- Aurora Damsel -- widespread -- uncommon -- ponds, swamps, and bogs --
recorded from Ga, Al, Fr, Ba, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Co, Wi, Wo and Washington D.C.
148) Enallagma annexum (Hagen, 1861) – Northern Bluet – rare -- two location recorded from Garrett County -- ponds
149) Enallagma antennatum (Say, 1839) -- Rainbow Bluet -- Garrett County -- rare -- ponds
150) Enallagma aspersum (Hagen, 1861) -- Azure Bluet -- widespread -- common -- ponds -- recorded from Ga, Fr, Ba, Ha, Ce, Ho,
Mo, Aa, Pg, Ct, Sm, Ke, Co, Ta, Do, Wi, Wo and Washington DC
151) Enallagma basidens Calvert, 1902 -- Double-striped Bluet -- widespread -- uncommon -- ponds and lakes -- recorded from Al,
Wa, Fr, Cl, Ba, Ha, Ho, Mo, Pg, Ct, Ch, Co, Qa and Washington D.C.
152) Enallagma carunculatum Morse, 1895 -- Tule Bluet -- historical records from Garrett, Harford, and Prince George’s Counties --
current record from Allegany County -- ponds
153) Enallagma civile (Hagen, 1861) -- Familiar Bluet -- widespread -- common -- ponds -- recorded from all Maryland Counties
(except Dorchester) and Washington D.C.
154) Enallagma daeckii (Calvert, 1903) -- Attenuated Bluet -- rare Piedmont, uncommon coastal plain -- ponds -- recorded from Fr, Aa,
Pg, Ch, Co, Wi, Wo
155) Enallagma divagans Selys, 1876 -- Turquoise Bluet -- widespread -- uncommon -- streams -- recorded from Ga, Al, Fr, Ha, Ho,
Mo, Aa, Pg, Ch, SM, Qa, Co, So, Wo and Washington D.C.
156) Enallagma doubledayi (Selys, 1850) -- Atlantic Bluet -- historical records from Montgomery County (1-June-1900) and Prince
George’s County (25-August-1916), a 2006 record from Hart-Miller Island in Baltimore County and a 2007 record from Wicomico
County -- ponds and bogs
157) Enallagma dubium Root, 1924 -- Burgundy Bluet -- coastal plain -- rare – ponds – 2003 record from Worcester County, earlier
claims from western shore coastal plain location have yet to be confirmed
158) Enallagma durum (Hagen, 1861) -- Big Bluet -- piedmont from the Potomac River and Bush River, and large rivers of the coastal
plain – usually uncommon but on occasion can be locally abundant -- recorded from Fr, Ha, Ce, Mo, Aa, Pg, Ct, Ch, Ke, Qa, Do, and
Washington D.C.
159) Enallagma ebrium (Hagen, 1861) -- Marsh Bluet -- historical record from Lake Roland, Baltimore County pre-1910
160) Enallagma exsulans (Hagen, 1861) -- Stream Bluet -- widespread -- abundant -- rivers and streams -- recorded from Ga, Al, Wa,
Fr, Cl, Ba, Ce, Ha, Ho, Mo, Aa, Pg, Ch, Qa, Co, Wo, and Washington, D.C.
161) Enallagma geminatum Kellicott, 1895 -- Skimming Bluet -- widespread -- common -- ponds -- recorded from Ga, Al, Wa, Fr, Cl,
Ha, Ce, Ho, Mo, Aa, Pg, Ch, Qa, Co, Do, Wi, Wo and Washington D.C.
162) Enallagma hageni (Walsh, 1863) -- Hagen’s Bluet -- Garrett County (common), historical record for Baltimore County (23-June-
1922) -- ponds
163) Enallagma pallidum Root, 1923 -- Pale Bluet – two records from ponds in Wicomico County, one in 1922 and other in 2003
164) Enallagma signatum (Hagen, 1861) -- Orange Bluet -- widespread -- common -- still or slow moving water -- recorded from Ga,
Wa, Fr, Cl, Ba, Ha, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Qa, Co, Wi, Do, So, Wo, and Washington D.C.
165) Enallagma traviatum Selys, 1876 -- Slender Bluet --widespread --uncommon -- ponds – both the eastern and western
subspecies occur in Maryland and can be found together in the Catoctin Mtns -- recorded from Ga, Wa, Fr, Cl, Ha, Ho, Mo, Aa, Pg, Ch,
SM, Qa, Co, Wi, and Washington D.C.
166) Enallagma vesperum Calvert, 1919 -- Vesper Bluet -- uncommon -- ponds -- recorded from Ga, Ba, Ho, Mo, Aa, Pg, Ch, Qa, Co, Wi
167) Enallagma weewa Boyers, 1927 -- Blackwater Bluet -- recorded from Ha, Qa, Co, Wi, So and Wo Counties.
168) Ischnura hastata (Say, 1839) -- Citrine Forktail -- widespread -- common -- grassy seeps and marshes -- recorded from Ga, Fr,
Ba, Ha, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Ke, Qa, Co, Ta, Do, Wi, So, Wo, and Washington D.C.
169) Ischnura kellicotti Williamson, 1898 -- Lilypad Forktail -- widespread -- common only on the coastal plain, uncommon elsewhere
-- ponds with floating vegetation -- recorded from Ga, Ha, Ho, Mo, Aa, Pg, Ch, Co, So, Wi and Washington D.C.
170) Ischnura posita posita (Hagen, 1861) -- Fragile Forktail -- widespread -- abundant -- various aquatic habitats -- recorded from all
Maryland counties and Washington D.C.
171) Ischnura prognata (Hagen, 1861-- Furtive Forktail -- rare -- first found in Maryland in 2007 -- Slow to still moving shaded water --
recorded from Co, Wi & Wo Counties
172) Ischnura ramburii (Selys, 1850) -- Rambur’s Forktail -- coastal plain (plus two records from the Piedmont) -- common -- still,
usually slightly brackish, water -- recorded from Fr, Ba, Ha, Mo, Aa, Pg, Ct, Ch, Sm, Ke, Qa, Co, Ta, Do, Wi, So, Wo, and Washington D.
C.
173) Ischnura verticalis (Say, 1839) -- Eastern Forktail -- widespread -- abundant -- ponds -- recorded from all counties in Maryland
except Dorchester County. Also recorded for Washington D.C.
174) Nehalennia gracilis Morse, 1895 -- Sphagnum Sprite -- very local -- sphagnum bogs -- recorded from Ha, Ho, Aa, Pg, Ch, Wi, Co,
Wo, and Washington D.C. (historical record)
175) Nehalennia integricollis Calvert, 1913 -- Southern Sprite -- Anne Arundel, Prince George’s, Worchester Counties -- rare -- ponds
and bogs
176) Nehalennia irene (Hagen, 1861) -- Sedge Sprite -- recorded from Garrett (common) , Baltimore (historical, 22-June-1922),
Howard (one location) and Prince George’s (one location) Counties -- bogs
177) Telebasis byersi Westfall, 1957 -- Duckweed Firetail -- recorded in 2007 in Worcester County -- ponds
Recorded species for Maryland in need of additional confirmation:
Gomphus graslinellus Walsh, 1862 Gomphus spicatus Hagen, 1854
Ophiogomphus incurvatus alleghaniensis Carle, 1982 Stylurus notatus (Rambur, 1842)
Aeshna eremita Scudder, 1866
Recorded species for Washington D.C.in need of additional confirmation:
Cordulegaster diastatops Selys, 1854
Key of Maryland Counties by Physiographic Provinces:
ALLEGHENY PLATEAUS: Ga = Garrett VALLEY AND RIDGE: Al = Allegany, Wa = Washington
PIEDMONT: Fr = Frederick, Cl = Carroll, Ba = Baltimore, Ha = Harford, Ce = Cecil, Ho = Howard, Mo = Montgomery
COASTAL PLAIN (western shore): Aa = Anne Arundel, Pg = Prince George’s, Ct = Calvert, Ch= Charles, Sm = St. Marys
COASTAL PLAIN (eastern shore): Ke = Kent, Qa = Queen Annes, Co = Caroline, Ta = Talbot, Do = Dorchester, Wi = Wicomico, So =
Somerset, Wo = Worcester
For additions, corrections or comments please contact Richard Orr <odonata457@comcast.net> or 5215 Durham Rd - East,
Columbia, Maryland 21044. When submitting additions please provide field data. A collected specimen is generally required for new
additions; however, depending upon the species, photographs and/or field notes will be considered.