The Dragonflies and Damselflies of
Maryland and the District of Columbia
ODONATA OF MARYLAND & WASHINGTON D.C.
Last update September 16, 2014                   Additions in 2014 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,
Ha, 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, Al, Wa, Fr, Ba, Ha, Ce, Ho, Mo, Aa, Pg, Ch,
Ke, 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 Mountains 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 -- uncommon -- recorded from Washington, Frederick & Montgomery
Counties on the Potomac River, from Washington &  Allegany Counties at Sideling Hill Creek and Town Creek and from Harford
County from Deer Creek.
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, Ta, 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 adult and cast skin records from Washington and Allegany Counties -- 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, Sm, Qa, Do, 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 Ga, Wa, Al, Ho, Ba, Ha, Fr, Mo and Aa
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), Deer
and Spooner's Creeks in Harford County (medium population), one in Garrett County (large population) and one in Frederick County
(medium population) – small streams to rivers
16)
Gomphus spicatus Hagen in Selys, 1854 -- Dusky Clubtail -- known only from Finzel Swamp in Garrett County.  First found in
2014.
17) Gomphus vastus Walsh, 1862 -- Cobra Clubtail – Susquehanna and Patapsco rivers (uncommon) and Potomac River and its
larger tributaries (common) -- recorded from Al, Wa, Fr, Ba, Ha, Ho, Mo, Ch and Washington D.C.
18)
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)
19)
Gomphus viridifrons Hine, 1901 -- Green-faced Clubtail -- rare -- streams and Potomac River of the Valley and Ridge (Frederick,
Washington and Allegany Counties) and the Casselman River in Garrett County.
20)
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.
21)
Lanthus parvulus (Selys, 1854) -- Northern Pygmy Clubtail -- known from Garrett and Allegany Counties -- rare -- streams
22)
Lanthus vernalis Carle, 1980 -- Southern Pygmy Clubtail -- known from Garrett, Frederick and Harford Counties -- rare -- streams
23)
Ophiogomphus howei Bromley, 1924 -- Pygmy Snaketail -- rare – adult found in 2011 and cast skins found in 2012, 2013 and
2014 along the Potomac River in Washington and Allegany  Counties
24)
Ophiogomphus incurvatus incurvatus Carle, 1982 -- Appalachian Snaketail -- uncommon -- rivers and streams -- recorded from
Ho, Ba,
Ha, Aa
25)
Ophiogomphus mainensis fastigiatus Donnelly 1987 -- Maine Snaketail  -- known from the Casselman River in Garrett County
and from Town Creek in Allegany County
26)
Ophiogomphus rupinsulensis (Walsh, 1862) -- Rusty Snaketail -- Potomac River and larger tributaries, and Deer Creek in Harford
County -- common on upper Potomac River and uncommon elsewhere -- recorded from Al, Wa, Mo, Ha
27)
Ophiogomphus susbehcha (new subspecies?) – Chesapeake Snaketail -- rare to uncommon early spring species known from
Maryland only from the Potomac River in Frederick County.
28)
Progomphus obscurus (Rambur, 1842) -- Common Sanddragon -- piedmont and coastal plain -- uncommon -- rivers and
streams -- recorded from Cl, Ba, Ho, Mo, Aa, Pg, Qa, Co, Do, Wi, Wo
29)
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.
30)
Stylurus amnicola (Walsh, 1862) -- Riverine Clubtail -- historical record (17-June-1951) from the Potomac River in Montgomery
County
31)
Stylurus laurae Williamson, 1932 -- Laura’s Clubtail -- Potomac, Patuxent, Patapsco and Choptank Rivers and their tributaries --
uncommon to rare (eastern shore) -- recorded from Wa, Fr, Cl, Ba, Ho, Mo, Pg, Aa, Co.
32)
Stylurus plagiatus (Selys, 1854) -- Russet-tipped Clubtail -- coastal plain rivers (except along the Potomac River where it ranges
westward to and beyond the Piedmont) -- common -- recorded from Wa, Mo, Fr, Ha, Aa, Pg, Ch, Co, Ta, Wo, and Washington D.C.
33)
Stylurus scudderi (Selys, 1873) – Zebra Clubtail – known only from Garrett County -- rare -- streams
34)
Stylurus spiniceps (Walsh, 1862) -- Arrow Clubtail -- -- rivers -- common -- recorded from Al, Wa, Fr, Cl, Ba, Ha, Ce, Ho, Mo, Aa, Pg

Aeshnidae
35) Aeshna canadensis Walker, 1908 -- Canada Darner -- recorded from Garrett County -- ponds and bogs -- uncommon
36)
Aeshna constricta Say, 1839 -- Lance-tailed Darner -- one historical record -- location unknown -- marshes
37)
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
38)
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.
39)
Aeshna verticalis Hagen, 1861 -- Green-striped Darner -- Garrett (uncommon), Washington (rare), Frederick (rare), Montgomery
(rare), Anne Arundel (rare), and Prince George’s (historical) Counties -- marshes
40)
Anax junius (Drury, 1770) -- Common Green Darner -- widespread -- common -- still or slow moving water -- recorded from all
Maryland Counties and Washington D.C.
41)
Anax longipes Hagen, 1861 -- Comet Darner -- widespread -- uncommon -- ponds -- recorded from Ga, Al, Fr, Cl, Ha, Ce, Ba, Ho,
Mo, Aa, Pg, Ct, Ch, Sm, Co, Do, Ke, Ta, Wi, So, Wo, and Washington D.C.
42)
Basiaeschna janata (Say, 1939) -- Springtime Darner -- widespread -- uncommon -- streams -- recorded from Ga, Al, Wa, Fr, Ho,
Mo, Aa, Pg, Ce, Ct, Ch, Sm, Ke, Qa, Do, Co, Ta, So, Wi, Wo
43)
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
44)
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, Ke, Qa, Do, Co, Wi, Wo, and Washington D.C.
45)
Epiaeschna heros (Fabricius, 1798) -- Swamp Darner -- widespread -- common -- swamps -- recorded from Washington D.C. and
all MD counties
46)
Gomphaeschna antilope (Hagen, 1874) -- Taper-tailed Darner -- rare -- bogs -- recorded from Ba, Aa, Ct, Co, Wi, Wo, and
Washington D.C. (historical record)
47)
Gomphaeschna furcillata (Say, 1839) -- Harlequin Darner -- widespread -- uncommon -- swamps and bogs -- recorded from Al,
Wa, Fr, Mo,
Ha, Aa, Pg, Ce, Ct, Ch, Sm, Ke, Co, Do, Wi, Wo
48)
Nasiaeschna pentacantha (Rambur, 1842) -- Cyrano Darner -- widespread -- uncommon -- still or slow moving water -- recorded
from Al, Wa, Fr, Ce,
Ba, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Ke, Qa, Co, Wi, Wo and Washington D.C.
49)
Rhionaeschna mutata Hagen, 1861 -- Spatterdock Darner – widespread but very rare – records from Ga, Wa, Fr, Ha, Aa, Pg but
currently only three sites one in Garrett,
one in Washington and one in Frederick Counties are known to maintain populations -- ponds

Cordulegastridae
50) Cordulegaster bilineata Carle, 1983 -- Brown Spiketail – Wa, Fr, Ba, Mo, Ho, Ch, Ct, AA, PG, Sm and Washington D.C. --
uncommon -- streams
51)
Cordulegaster diastatops Selys, 1854 -- Delta-spotted Spiketail -- Garrett and Allegany Counties (uncommon) and Queen Annes
and
Worcester Counties (Rare) -- streams (note - old Washington D.C. record probably C. bilineata)
52)
Cordulegaster erronea Hagen in Selys, 1878 -- Tiger Spiketail -- piedmont and coastal plain -- rare -- streams -- recorded from
Ga,
Wa, Fr, Ba, Ha, Ce, Ho, Mo, Pg, Ct, Ch, Sm, Co, and Washington D.C.
53)
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, Qa, Co, Do, Wo, and Washington D.C.
54)
Cordulegaster obliqua (Say, 1839) -- Arrowhead Spiketail -- rare -- streams -- both subspecies occur in Maryland C. o. obliqua
recorded from Ga,
Wa, Ba, Mo, Aa, Pg, Ch, Sm, Ke, Co, and Washington D.C. (historical record pre-1921) and C. o. fasciata from a
single site in Charles County

Macromiidae
55) Didymops transversa (Say, 1839) -- Stream Cruiser -- widespread -- common -- streams and rivers -- recorded from Ga, Al, Wa,
Fr, Cl, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Ke, Qa, Co, Wi, Wo and Washington D.C.
56)
Macromia alleghaniensis Williamson, 1909 -- Allegheny River Cruiser -- western Maryland with a few records from the Piedmont --
uncommon -- recorded from Al, Wa, Fr, Mo
57)
Macromia illinoiensis Walsh, 1862 – Swift River Cruiser
57a)
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)
57b)
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.
58)
Macromia taeniolata Rambur, 1842 -- Royal River Cruiser -- piedmont and coastal plain -- uncommon -- rivers and streams  –
recorded from Wa, Ba, Mo, Pg, Co, Wi, Wo, and Washington D.C. (historical record 1907)   

Corduliidae
59) Cordulia shurtleffii Scudder, 1866 -- American Emerald -- Ga, Al, Wa, Fr counties -- uncommon -- bogs & ponds on the mountains.
60)
Dorocordulia lepida (Hagen in Selys, 1871) -- Petite Emerald -- historical record from Montgomery County -- bogs
61)
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,
Sm, Ke, Co, Qa, Do, Wo, and Washington D.C.
62)
Helocordulia selysii (Hagen in Selys, 1878) -- Selys’ Sundragon -- coastal plain -- uncommon -- streams -- recorded from Aa, Pg,
Ch and Co.  
63)
Helocordulia uhleri (Selys, 1871) -- Uhler’s Sundragon -- uncommon -- streams -- recorded from Al, Wa, Ch
64)
Neurocordulia obsoleta (Say, 1839) -- Umber Shadowdragon – Potomac, Sideling Hill, Susquehanna, Patapsco and Choptank
Rivers and Unicorn Creek -- records from Al, Wa, Fr, Ba, Ho, Ha, Mo, Ce, Co, Qa and Washington D.C. -- common
65)
Neurocordulia yamaskanensis (Provancher, 1875) -- Stygian Shadowdragon -- known from AL, Wa, Mo, Fr, Ha, Ce -- all from the
Potomac River except for one record from Sideling Hill Creek and several records
from Susquehanna River -- common along Potomac
River and uncommon on Sideling Hill Creek and Susquehanna River
66)
Somatochlora elongata (Scudder, 1866) -- Ski-tipped Emerald -- one historical record (Montgomery County ?) and a few current  
records from Garrett County -- rare
67)
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)
68)
Somatochlora georgiana Walker, 1925 -- Coppery Emerald -- rare -- first found in 2010 in Caroline, Wicomico and Worcester
Counties
69)
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, So, Wi, Wo, and Washington D.C.
70)
Somatochlora provocans Calvert, 1903 -- Treetop Emerald -- recorded from Anne Arundel, Prince George’s, Charles, St. Mary's
and Caroline Counties -- rare – bog rivilets?
71)
Somatochlora walshii (Scudder, 1866) -- Brush-tipped Emerald -- rare -- known only from two sites in Garrett County -- bog
streams
72)
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.
73)
Tetragoneuria canis McLachlan, 1886 -- Beaverpond Baskettail -- Garrett County -- uncommon -- ponds
74)
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).
75)
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, So, Wi, Wo and Washington D.C.  On occasion this
species hybridizes with T. costalis (Howard Co.) and T. spinosa (Anne Arundel Co.)
76)
Tetragoneuria semiaquea (Burmeister, 1839) -- Mantled Baskettail -- historical record from Prince George’s County (1954) -- bogs
77)
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, Co, Wo

Libellulidae
78) Brachymesia gravida (Calvert, 1890) -- Four-spotted Pennant -- coastal plain -- uncommon to common (slightly brackish water) --
recorded from Aa, Ct, Ch, Sm, Qa, Ke, Do, So, Wo
79)
Celithemis bertha Williamson, 1922 -- Red-veined Pennant -- ponds -- known only from St. Mary's State Park Sm in 2014
80) 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
81)
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.
82)
Celithemis fasciata Kirby, 1889 -- Banded Pennant  -- uncommon -- marshes -- recorded from Ga, Al, Fr, Ba, Ha, Mo, Ho, Aa, Pg,
Ct, Ch, Sm, Co,
Do, Wo
83)
Celithemis martha Williamson, 1922 -- Martha’s Pennant – Worcester, Anne Arundel and Prince George’s Counties -- rare --
marshes
84)
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
85)
Celithemis verna Pritchard, 1935 -- Double-ringed Pennant -- coastal plain (uncommon) and piedmont (rare) -- marshes --
recorded from Fr, Mo, Ce, Aa, Pg, Co, Ch, Wo
86)
Erythemis simplicicollis (Say, 1839) -- Common Pondhawk -- widespread -- abundant -- ponds -- recorded from all Maryland
counties and Washington D.C.
87)
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)
88)
Erythrodiplax minuscula (Rambur, 1842) -- Little Blue Dragonlet -- rare -- ponds -- recorded from Fr, Mo, Aa, Pg, Ch, Co
89)
Ladona deplanata (Rambur, 1842) -- Blue Corporal -- coastal plain and blue ridge mountains (abundant), uncommon elsewhere
-- ponds -- recorded from Ga, Wa, Al, Fr, Ba, Ho, Ce, Mo, Aa, Pg, Ct, Ch, Sm, Ke, Qa, Co, Do, Wi, So, Wo
90)
Ladona exusta (Say, 1839) -- White Corporal -- Anne Arundel County -- rare -- bogs
91)
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
92)
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
93)
Leucorrhinia glacialis Hagen, 1890 -- Crimson-ringed Whiteface -- rare in Garrett County -- bogs
94)
Leucorrhinia hudsonica (Selys, 1850) -- Hudsonian Whiteface -- rare in Garrett County -- bogs
95)
Leucorrhinia intacta (Hagen, 1861) -- Dot-tailed Whiteface -- uncommon in Garrett and Allegany Counties plus two historical
records in Baltimore County -- bogs and ponds
96)
Libellula auripennis Burmeister, 1839 -- Golden-winged Skimmer -- uncommon -- ponds -- recorded from Ga, Fr, Ho, Aa, Pg, Ct,
Ch and Washington D.C.
97)
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, Co, Do, Wi, Wo
98)
Libellula cyanea Fabricius, 1775 -- Spangled Skimmer -- widespread -- abundant -- ponds -- recorded from all Maryland Counties
and Washington D.C.
99)
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)
100)
Libellula incesta Hagen, 1861 -- Slaty Skimmer -- widespread -- common -- ponds -- recorded from Al, 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.
101)
Libellula luctuosa Burmeister, 1839 -- Widow Skimmer -- widespread -- common -- ponds -- recorded from all Maryland Counties
and Washington D.C.
102)
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, Co, Ta, Do, Wi, So, Wo, and Washington D.C.
103)
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.
104)
Libellula quadrimaculata Linnaeus, 1758 -- Four-spotted Skimmer -- single Maryland historical record (county?) -- probably a
stray
105)
Libellula semifasciata Burmeister, 1839 -- Painted Skimmer -- widespread -- common -- marshy edges of ponds -- recorded
from
all Maryland counties and Washington D.C.
106)
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,
Ta, Do, So, Wi, Wo, and Washington D.C.
107)  
Miathyria marcella (Selys in Sagra, 1856) -- Greater Hyacinth Glider -- single male collected in Howard County in 1999 --
probably a stray  -- ponds
108)  
Nannothemis bella Uhler, 1857 -- Elfin Skimmer – Frederick, Anne Arundel, Prince George’s and Caroline Counties -- bogs --
rare
109)
 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
110)
Pachydiplax longipennis (Burmeister, 1839) -- Blue Dasher  -- widespread -- abundant -- still and slow moving water -- recorded
from all counties in Maryland and Washington D.C.
111)
Pantala flavescens (Fabricius, 1798) -- Wandering Glider -- widespread -- common -- shallow or temporary ponds -- recorded
from Ga, Al, Fr, Cl, Ba, Ha, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Ke, Qa, Co, Ta, Do, Wi, So, Wo, and Washington D.C.
112)
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, Ke, Qa, Co, Ta, Do, Wi, Wo, and Washington D.C.
113)
Perithemis tenera (Say, 1839) -- Eastern Amberwing -- widespread -- common -- ponds and other still water -- recorded from all
counties in Maryland and Washington D.C.
114)
Plathemis lydia (Drury, 1770) -- Common Whitetail -- widespread -- abundant -- ponds -- recorded from all Maryland counties and
Washington D.C.
115)
Sympetrum ambiguum (Rambur, 1842) -- Blue-faced Meadowhawk -- piedmont and coastal plain -- common -- temporary pools
-- recorded from Ga, Wa, Ba, Ha, Ce, Ho, Mo, Aa, Pg, Ct, Qa, Ch, SM, Co, So, Wo
116)
Sympetrum corruptum (Hagen, 1861) -- Variegated Meadowhawk -- single record May 12, 2012 from Prince Georges County --
stray
117)
Sympetrum internum Montgomery, 1943 -- Cherry-faced Meadowhawk -- rare -- -- 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 Al, Fr,
Ho, Ce, Mo, Pg and Washington D.C.
118)
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
119)
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.
120)
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.
121)
Sympetrum vicinum (Hagen, 1861) -- Autumn Meadowhawk -- widespread -- abundant -- ponds -- recorded from all Maryland
counties and Washington D.C.
122)
Tramea calverti Muttkowski, 1910 -- Striped Saddlebags -- one historical record from Worcester County from August 22, 1976 --
probably a stray
123)
Tramea carolina (Linnaeus, 1763) -- Carolina Saddlebags -- widespread -- common -- ponds -- recorded from all counties and
Washington D.C.
124)
Tramea lacerata Hagen, 1861 -- Black Saddlebags -- widespread -- common -- ponds -- recorded from all counties and
Washington D.C.
125)
Tramea onusta Hagen, 1861 -- Red Saddlebags -- Montgomery, Prince George’s, Howard, Calvert and Worcester Counties --
rare -- probably strays

ZYGOPTERA  (DAMSELFLIES):
Calopterygidae
126) Calopteryx aequabilis Say, 1839 -- River Jewelwing -- Garrett County -- so far only larval (no adults) found at two locations -- rare
-- streams
127)
Calopteryx amata Hagen, 1889 -- Superb Jewelwing -- Garrett County -- rare -- streams
128)
Calopteryx angustipennis (Selys, 1853) -- Appalachian Jewelwing -- rare in streams  in  Allegany County and Washington County
129)
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.
130)
Calopteryx maculata (Beauvois, 1805) -- Ebony Jewelwing -- widespread -- common -- forested streams -- recorded from all
Maryland counties and Washington D.C.
131)
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.
132)
Hetaerina titia (Drury, 1773) -- Smoky Rubyspot -- Potomac River -- has not been sighted since the 1970s -- recorded from Mo,
Pg, and Washington D.C.

Lestidae
133) Archilestes grandis (Rambur, 1842) -- Great Spreadwing -- widespread but not yet recorded from the eastern shore --
uncommon -- streams -- recorded from Ga, Al, Fr, Ba, Ho, Mo, Aa, Pg, Ct, and Washington D.C.
134)
Lestes australis Walker, 1952 -- Southern Spreadwing -- piedmont and coastal plain -- common -- ponds -- recorded from Al, Fr,
Cl, Ha, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Qa, Co, Ke, Do, Wi, Wo and Washington D.C.
135)
Lestes congener Hagen, 1861 -- Spotted Spreadwing -- uncommon -- ponds -- recorded from Ga, Ba, Ho, Pg, Ke, Co
136)
Lestes disjunctus Selys, 1862 -- Northern Spreadwing -- Garrett County -- uncommon -- ponds
137)
Lestes dryas Kirby, 1890 -- Emerald Spreadwing -- historical record (pre-1940) -- Baltimore City and Washington D.C. -- ponds
138)
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
139)
Lestes forcipatus Rambur, 1842 -- Sweetflag Spreadwing -- piedmont and coastal plain -- uncommon -- ponds -- recorded from
Ga, Fr, Ba, Ho, Mo, Aa, Pg, Ke, Co, Qa, Do and Washington D.C.
140)
Lestes inaequalis Walsh, 1862 -- Elegant Spreadwing -- widespread -- uncommon -- ponds -- recorded from Ga, Al, Ba, Ce, Ho,
Mo, Aa, Pg,
Ct, Ch, Ke, Co, Wo and Washington D.C.
141)
Lestes rectangularis Say, 1839 -- Slender Spreadwing -- widespread -- common -- ponds -- recorded from Ga, Al, Wa, Fr, Cl, Ba,
Ha, Ce, Ho, Mo, Aa, Pg, Ct, Ch, SM, Co, Ke, Ta, Do, Wo, and Washington D.C.
142)
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
143)
Lestes vigilax Hagen in Selys, 1862 -- Swamp Spreadwing -- uncommon -- ponds -- recorded from Ga, Al, Wa,  Fr, Ba, Ha, Ho,
Aa, Pg, Ch, Co, Wi, Wo

Coenagrionidae
144) Amphiagrion saucium (Burmeister, 1839) -- Eastern Red Damsel -- widespread --  grassy seeps -- recorded from Ga, Al, Fr, Cl,
Ba, Ho, Mo, Aa, Pg, Ct, Ch, SM, Co, Qa, Do, Wi, Wo and Washington D.C.
145)
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,
Sm, Ke, Qa, Co, Ta, Wo, and Washington D.C.
146)
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
147)
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.
148)
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, Ch and Washington D.C.
149)
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 Al, Wa, Fr, Ha, Ba, Mo, Aa, and Washington D.C.
150)
Argia tibialis (Rambur, 1842) -- Blue-tipped Dancer -- widespread -- abundant -- streams and rivers -- recorded from Ga, Al, Wa,
Fr, Cl, Ba, Ha, Ho, Mo, Aa, Pg, Ch, Sm, Ke, Qa, Co, Wi, Wo, and Washington D.C.
151)
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.
152)
Chromagrion conditum (Hagen in Selys, 1876) -- Aurora Damsel -- widespread -- uncommon -- ponds, swamps, and bogs --
recorded from Ga, Al,
Wa, Fr, Ba, Ce, Ho, Mo, Aa, Pg, Ct, Ch, Sm, Co, Wi, Wo and Washington D.C.
153)
Enallagma annexum (Hagen, 1861) – Northern Bluet – rare -- recorded from Garrett County -- ponds
154)
Enallagma antennatum (Say, 1839) -- Rainbow Bluet -- Garrett County -- rare -- ponds
155)
Enallagma aspersum (Hagen, 1861) -- Azure Bluet -- widespread -- common -- ponds -- recorded from Ga, Al, Fr, Ba, Ha, Ce, Ho,
Mo, Aa, Pg, Ct, Sm, Ke,
Qa, Co, Ta, So, Do, Wi, Wo and Washington DC
156)
Enallagma basidens Calvert, 1902 -- Double-striped Bluet -- widespread -- uncommon -- ponds and lakes -- recorded from Ga,
Al, Wa, Fr, Cl, Ba, Ha, Ho, Mo, Pg, Ct, Ch,
Sm, Co, Qa and Washington D.C.
157)
Enallagma carunculatum Morse, 1895 -- Tule Bluet -- historical records from Garrett, Harford, and Prince George’s Counties --
current record from Allegany County -- ponds
158)
Enallagma civile (Hagen, 1861) -- Familiar Bluet -- widespread -- common -- ponds -- recorded from all Maryland Counties and
Washington D.C.
159)
Enallagma daeckii (Calvert, 1903) -- Attenuated Bluet -- rare Piedmont, uncommon coastal plain -- ponds -- recorded from Fr, Aa,
Pg, Ch, Co, Wi, Wo
160)
Enallagma divagans Selys, 1876 -- Turquoise Bluet -- widespread -- uncommon -- streams -- recorded from Ga, Al, Fr, Ha, Ho,
Mo, Aa, Pg, Ch, SM, Qa, Co, So, Do, Wo and Washington D.C.
161)
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
162)
Enallagma dubium Root, 1924 -- Burgundy Bluet -- coastal plain  -- rare – ponds – 2003 record from Worcester County and 2009
record from  Caroline County -- earlier claims from western shore coastal plain location have yet to be confirmed
163)
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, SM, Ke, Qa, Do,
and Washington D.C.
164)
Enallagma ebrium (Hagen, 1861) -- Marsh Bluet -- historical record from Lake Roland, Baltimore County pre-1910
165)
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.
166)
Enallagma geminatum Kellicott, 1895 -- Skimming Bluet -- widespread -- common -- ponds -- recorded from Ga, Al, Wa, Fr, Cl,
Ha, Ce, Ho, Mo, Aa, Pg,
Ch, Sm, Ke, Qa, Co, Do, Wi, Wo and Washington D.C.
167)
Enallagma hageni (Walsh, 1863) -- Hagen’s Bluet -- Garrett County (common), historical record for Baltimore County (23-June-
1922) -- ponds
168)
Enallagma pallidum Root, 1923 -- Pale Bluet – two records from ponds in Wicomico County, one in 1922 and other in 2003.  
Additional records from Caroline County since 2009
169)
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,
Sm, Ke, Qa, Co, Wi, Do, So, Wo, and Washington D.C.
170)
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, Al, Wa, Fr, Cl, Ha, Ho, Mo, Aa, Pg,
Ch, SM, Qa, Co,
So, Wi, and Washington D.C.
171)
Enallagma vesperum Calvert, 1919 -- Vesper Bluet -- uncommon -- ponds -- recorded from Ga, Ba, Ha, Ho, Mo, Aa, Pg, Ch, Qa,
Co, Wi
172)
Enallagma weewa Boyers, 1927 -- Blackwater Bluet -- recorded from Ha, Qa, Co, Wi, So and Wo Counties.
173)
Ischnura hastata (Say, 1839) -- Citrine Forktail -- widespread -- common -- grassy seeps and marshes -- recorded from all
Maryland Counties and Washington D.C.
174)
Ischnura kellicotti Williamson, 1898 -- Lilypad Forktail -- widespread -- common only on the coastal plain, uncommon elsewhere
-- ponds with floating vegetation -- recorded from Ga, Al, Cl, Ha, Ho, Mo, Aa, Pg, Ch, Co, So, Wi and Washington D.C.
175)
Ischnura posita posita (Hagen, 1861) -- Fragile Forktail -- widespread -- abundant -- various aquatic habitats -- recorded from all
Maryland counties and Washington D.C.
176)
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
177)
Ischnura ramburii (Selys, 1850) -- Rambur’s Forktail -- common on the coastal plain – uncommon on the Piedmont -- still,
usually slightly brackish, water -- recorded from Fr, Ho, Ba, Ha, Mo, Aa, Pg, Ct, Ch, Sm, Ke, Qa, Co, Ta, Do, Wi, So, Wo, and Washington
D.C.
178)
Ischnura verticalis (Say, 1839) -- Eastern Forktail -- widespread -- abundant -- ponds -- recorded from all counties in Maryland
and Washington D.C.
179)
Nehalennia gracilis Morse, 1895 -- Sphagnum Sprite -- very local -- sphagnum bogs -- recorded from Ha, Ho, Aa, Pg, Ch, Ke, Wi,
Co, Wo, and Washington D.C. (historical record)
180)
Nehalennia integricollis Calvert, 1913 -- Southern Sprite -- Anne Arundel, Prince George’s, Caroline and Worchester Counties --
rare -- ponds and bogs
181)
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
182)
Telebasis byersi Westfall, 1957 -- Duckweed Firetail -- recorded in 2007 in Worcester County and 2009 in Caroline County  --
ponds

Recorded species for Maryland in need of additional confirmation:
Gomphus graslinellus Walsh, 1862     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 (including Baltimore City), 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.