Bee of Howard County, Maryland
BEES OF HOWARD COUNTY -- LAST UPDATE 13-November-2012                                        
Richard Orr                                
odonata457@comcast.net                                        
                                     
                                                                                                       Earliest          Latest        
Genus                      Species        English Name                          Date in HC        Date in HC       Additional Comments
                                     
ANDRENIDAE                                        
Andrena                   arabis                Mining Bee                                15-Apr         15-Apr        
Andrena                   barbara              Mining Bee                                 7-Apr         10-May        
Andrena                   barbilabris         Mining Bee                                 1-Apr         1-Apr        
Andrena                   carlini                Mining Bee                                18-Mar        5-May        
Andrena                   cresssonii         Mining Bee                                18-Mar       11-Oct        
Andrena                   erigeniae           Mining Bee                                 1-Apr        13-May        Spring beauty specialist
Andrena                    fennigeri           Mining Bee                                 1-Apr        28-Apr         Feeds on maple flowers
Andrena                    forbesii             Mining Bee                                16-Apr        25-Apr        
Andrena                    ilics                  Mining Bee                                15-Apr       15-Apr        
Andrena                    imitatrix            Mining Bee                                  2-Apr         8-May        
Andrena                   miserabilis        Mining Bee                                15-Apr        15-Apr        
Andrena                   morrisonella      Mining Bee                               10-May       10-May        
Andrena                   nasonii              Mining Bee                                15-Apr       10-Jun        
Andrena                   perplexa            Mining Bee                                25-Apr       28-Apr          First found by M. Feil in 2005
Andrena                   personata          Mining Bee                                15-Apr       10-May        
Andrena                   pruni                  Mining Bee                                25-Apr       25-Apr        
Andrena                   simplex             Mining Bee                                13-Sep      11-Oct        
Andrena                   vicina                Mining Bee                                 1-Apr        19-Jun        
Andrena                   violae                Mining Bee                                 4-Apr        13-May        
Andrena                   ziziaeformis       Mining Bee                                 8-May      10-May        
Calliopsis                andreniformis    Yellow Mining Bee                   31-May        4-Oct        
                                     
HALICTIDAE                                        
Apapostemon          texanus              Large Green Metallic Bee         19-Apr        5-Oct        
Agapostemon         virescens           Striped Green Metallic Bee        28-Apr      15-Nov        
Augochlora             pura                    Small Green Metallic Bee            1-Apr       15-Nov        
Augochlorella         aurata                 Small Green Metallic Bee           23-Apr      15-Nov        
Augochlorella         persimilis           Small Green Metallic Bee           13-Jul       29-Nov        2nd record for Maryland
Halictus                  confusus             Sweat Bee                                     8-May       4-Oct        
Halictus                  ligatus                 Sweat Bee                                   13-May      20-Oct        
Lasioglossum        atlanticum           Sweat Bee                                     1-Apr       29-Nov        
Lasioglossum        bruneri                Sweat Bee                                    10-May      15-Nov        
Lasioglossum        callidum              Sweat Bee                                    13-Jul       15-Nov        
Lasioglossum        coeruleum           Sweat Bee                                    19-Jun        2-Nov        
Lasioglossum        coreopsis            Sweat Bee                                   31-May      31-May        
Lasioglossum        coriaceum           Sweat Bee                                     8-May        2-Nov        
Lasioglossum        cressonii             Sweat Bee                                      1-Apr      29-Nov        
Lasioglossum        ephialtum            Sweat Bee                                      6-Jun       13-Jul        
Lasioglossum        gotham                Sweat Bee                                    18-Mar       15-Apr        
Lasioglossum        fuscipenne          Sweat Bee                                      2-Nov       2-Nov        
Lasioglossum        illinoense            Sweat Bee                                    28-Apr      29-Nov        
Lasioglossum        imitatum              Sweat Bee                                      2-Jul       15-Nov        
Lasioglossum        laevissimum       Sweat Bee                                     1-Apr       15-Apr        
Lasioglossum        macoupinense    Sweat Bee                                    19-Apr       5-Jul        
Lasioglossum        mitchelli              Sweat Bee                                    19-Jun      15-Nov        
Lasioglossum        nigroviride          Sweat Bee                                      1-Apr        1-Apr        
Lasioglossum        obscurum            Sweat Bee                                    26-Jun       26-Jun        
Lasioglossum        oblongum            Sweat Bee                                    25-Apr       12-Jun        
Lasioglossum        pilosum               Sweat Bee                                    10-May      15-Nov        
Lasioglossum        platyparium         Parasitic Sweat Bee                     21-Jun      15-Nov     Nest parasite on other Lasioglossum species
Lasioglossum        quebecense        Sweat Bee                                       1-Apr      15-Nov        
Lasioglossum        rohweri               Sweat Bee                                       1-Apr      18-Aug        
Lasioglossum        simplex               Sweat Bee                                       5-Oct        5-Oct        
Lasioglossum        smilaeinge          Sweat Bee                                    20-Aug        5-Oct        
Lasioglossum        subviridatum       Sweat Bee                                   15-Apr        15-Apr        
Lasioglossum        tegulare               Sweat Bee                                     8-Apr        15-Nov        
Lasioglossum        trigeminum          Sweat Bee                                     2-Apr        21-Sep        
Lasioglossum        versatum             Sweat Bee                                   23-Apr        29-Nov        
Lasioglossum        wee-msi               Sweat Bee                                   28-Apr       18-Sep        
Lasioglossum        zophops               Sweat Bee                                     4-Apr         4-Apr        
Sphecodes            coronus                Red-butt Sweat Bee                      1-Apr         1-Apr        Nest parasite on Lasioglossum species
Sphecodes            species (several) Red-butt Sweat Bee                                                       Nest parasite on Lasioglossum species
                                     
COLLETIDAE                                        
Colletes                 inaequalis             Plaster Bee                                28-Apr        28-Apr        
Colletes                 thoracicus             Plaster Bee                                23-May        23-May        
Hylaeus                 affinus/modestus  Yellow-faced Bee                       31-May        20-Oct        
                                     
MEGACHILIDAE                                        
Anthidiellum          notatum                 Leaf-cutting Bee                        10-Aug        10-Aug        
Anthidium              manicatum            Wool Carder Bee                       26-Jul           1-Sep   Introduced species from Europe and North Africa
Anthidium              oblongatum           Leaf-cutting Bee                        10-Aug        10-Aug   Introduced species from Europe or Near East
Coelioxys               porterae               Sharp-pointed Leaf-cutting Bee  11-Oct        11-Oct   Nest parasite on Megachile species
Hoplitis                  pilosifrons             Leaf-cutting Bee                          8-May         2-Jun        
Hoplitis                  producta                Leaf-cutting Bee                        25-May        13-Jul        
Hoplitis                  simplex                 Leaf-cutting Bee                          8-May        11-Oct      A rare bee
Hoplitis                  spoliata                 Leaf-cutting Bee                        25-May        25-May        
Megachile             brevis                   Leaf-cutting Bee                           2-Oct           2-Oct        
Megachile             mendica                Leaf-cutting Bee                         10-Aug        16-Sep        
Megachile             montivaga             Leaf-cutting Bee                          9-Aug           3-Sep        
Megachile             rotundata               Leaf-cutting Bee                        11-Aug         11-Aug   Introduced species for Alfalfa from Eurasia
Megachile             sculpturalis           Giant Resin Bee                           9-Jul          13-Jul    Introduced species from East Asia
Osmia                   albiventris             Mason Bee                                 15-Apr         16-Apr        
Osmia                   atriventris              Mason Bee                                 15-Apr         23-Apr        
Osmia                   bucephala              Mason Bee                                   1-Apr        10-Jun        
Osmia                   collinsiae               Mason Bee                                 16-Apr        10-Jun        
Osmia                   cornifrons              Mason Bee                                   1-Apr         10-May  Introduced species from China, Korea, Japan
Osmia                   georgica                Mason Bee                                 15-Apr         15-Apr        
Osmia                   lignaria                  Mason Bee                                 11-Apr         15-Apr    First found by M. Feil in 2005
Osmia                   pumila                   Mason Bee                                   1-Apr         12-Jun        
Osmia                   subfasciata           Mason Bee                                   7-Jun         7-Jun        
Osmia                   taurus                    Mason Bee                                   1-Apr         23-Apr Introduced species from Eastern China and Japan
Stelis                    lateralis                 Small Parasitic Mason Bee         8-May        13-May     Nest parasite on Osmia species
                                     
APIDAE                                        
Anthophora           plumipes               Hairy-footed Flower Bee              1-Apr          23-Apr   Introduced species from Southern China
Apis                      mellifera                Honey Bee                                All Year        All Year  Introduced species from Mediterranean region
Bombus                auricomus             Black & Gold Bumble Bee          19-Aug        19-Aug        
Bombus                bimaculatus          Two-spotted Bumble Bee              1-Apr        28-Aug    The earliest bumblebee
Bombus                fervidus                Golden Northern Bumble Bee     23-Apr        1-Sep        
Bombus                griseocollis           Brown-belted Bumble Bee           6-Apr       12-Aug        
Bombus                 impatiens             Common Eastern Bumble Bee     6-Apr        20-Oct        
Bombus                perplexus              Confusing Bumble Bee                1-Apr        29-Nov        
Ceratina                calcarata               Small Carpenter Bee                   7-Mar        15-Nov        
Ceratina                dupla                     Small Carpenter Bee                   7-Mar        15-Nov        
Ceratina                strenua                 Small Carpenter Bee                  18-Mar        15-Nov        
Eucera                  dubiata                  Long-horned Bee                       18-Aug        18-Aug        
Eucera                  hamata                  Long-horned Bee                         8-May        8-May        
Holcopasites        calliopsidis           Spotted Cuckoo Bee                  16-Aug        23-Aug     Nest Parasite on Calliopsis andreniformis
Melissodes           bimaculata            Long-horned Bee                         9-Aug        12-Aug        
Melissodes          despona                 Long-horned Bee                       18-Aug        19-Aug        
Melissodes           trinotus                  Long-horned Bee                       16-Aug        16-Aug        
Nomada                articulata               Cuckoo Bee                                  6-Apr           6-Apr        
Nomada                composita             Cuckoo Bee                                 16-Apr        16-Apr      Nest Parasite on Andrena species
Nomada                cressonii               Cuckoo Bee                                 25-Apr        25-Apr      Nest Parasite on Andrena species
Nomada                denticulata            Cuckoo Bee                                   6-Apr        23-Apr       Nest Parasite on Andrena species
Nomada                dreisbachi             Cuckoo Bee                                 28-Apr        8-May       Nest Parasite on Andrena species
Nomada                imbricata               Cuckoo Bee                                 10-May     13-May       Nest Parasite on Andrena species
Nomada                luteoloides            Cuckoo Bee                                    6-Apr        10-May     Nest Parasite on Andrena species
Nomada               maculata                Cuckoo Bee                                  26-Apr        8-May       Nest Parasite on Andrena species
Nomada               pygmaea                Cuckoo Bee                                  16-Apr        17-Apr      Nest Parasite on Andrena species
Nomada (white-setae) species (group) Cuckoo Bee                                                                  Nest Parasite on Andrena species
Nomada (bidentate) species (group)     Cuckoo Bee                                                                  Nest Parasite on Andrena species
Peponapis           pruinosa                 Squash Bee                                  2-Aug          2-Aug       Squash Specialist
Ptilothrix              bombiformis           Digger Bee                                   2-Aug          2-Aug       Hibiscus specialist
Svastra                obliqua                   Long-horned Bee                        16-Aug        16-Aug        
Triepeolus            lunatus                   Cuckoo Bee                                27-Aug        27-Aug       Nest Parasite on Melissodes species
Triepeolus            remigatus               Cuckoo Bee                                16-Aug        16-Aug       Nest Parasite on Melissodes species
Xylocopa              virginica                 Eastern Carpenter Bee                1-Apr          20-Sep