Pollen Specialist Bees of the Eastern United States

Jarrod Fowler & Sam Droege

Pollen Specialist Bee Phenology: MARCH

Table 1. Pollen specialist bee families (n = 4), genera (n = 9), and species (n = 28) with taxonomic authorities, distributions according to records from 20 states (AL, CT, DE, FL, GA, LA, MA, MD, ME, MS, NC, NH, NJ, NY, PA, RI, SC, VA, VT, and WV), regional conservation status (Common, Uncommon, or Rare), phenology according to records from 12 months (January, February, March, April, May, June, July, August, September, October, November, and December), and host plant families and genera. Bee families and member genera and species are presented in ascending alphabetical order. Families, subfamilies, tribes, and subtribes link to BugGuide profiles. Species link to Discover Life species profiles. Month headings link to month-specific lists. Host plants link to USDA PLANTS Database genera profiles: view 'Subordinate Taxa' tabs for regional host plant species. Arthropoda: Hexapoda: Insecta: Hymenoptera: Aculeata: Anthophila (Apoidea):
Family: Subfamily: Tribe: SubtribeGenus (Subgenus) speciesAuthorityRecorded statesStatusJFMAMJJASONDHost plant Family, Genera
Andrenidae: AndreninaeAndrena (Scaphandrena) arabisRobertson, 1897CT-DE-MA-MD-NC-NJ-NY-PA-VA-WVUncommon..XXX.......Arabis L., Cardamine L.
Andrena (Thysandrena) bisalicisViereck, 1908AL-CT-DE-GA-LA-MA-MD-ME-MS-NC-NH-NJ-NY-PA-RI-SC-VA-VT-WVCommon-Uncommon..XXXXX.....Salix L.
Andrena (Conandrena) bradleyiViereck, 1907CT-DE-GA-MA-MD-ME-NC-NH-NJ-NY-PA-RI-SC-VACommon-Uncommon..XXXX......Ericaceae, e.g. Gaylussacia Kunth, Vaccinium L.
Andrena (Ptilandrena) erigeniaeRobertson, 1891CT-DE-MA-MD-MS-NC-NH-NJ-NY-PA-SC-VA-WVCommon..XXX.......Claytonia L.
Andrena (Andrena) frigidaSmith, 1853CT-GA-MA-MD-ME-NH-NJ-NY-PA-RI-VACommon-Uncommon..XXXX......Salix L.
Andrena (Callandrena s.l.) krigianaRobertson, 1901AL-CT-FL-GA-LA-MA-MD-MS-NC-NH-NJ-NY-PA-SC-VA-WVUncommon..XXXX......Cichorieae, e.g. Hieracium L., Krigia Schreb.
Andrena (Andrena) macoupinensisRobertson, 1900AL-FL-GA-MD-MS-NC-PA-SC-VA-WVUncommon..XXXX......Salix L.
Andrena (Trachandrena) mariaeRobertson, 1891GA-MD-NC-NH-NJ-RI-VA-WVUncommon..XXX.......Salix L.
Andrena (Micrandrena) melanochroaCockerell, 1898CT-GA-MA-MD-ME-NC-NH-NJ-NY-VA-WVUncommon..XXXXX.....Rosaceae, e.g. Fragaria L., Potentilla L., Rubus L.
Andrena (Parandrena) nidaMitchell, 1960AL-FL-GA-MD-MS-NC-NH-NJ-NY-RI-VA-WVUncommon..XXX.......Salix L.
Andrena (Micrandrena) salictariaRobertson, 1905CT-GA-MA-MD-ME-NC-NH-NJ-NY-PA-RI-VA-VT-WVCommon-Rare..XXX.......Salix L.
Andrena (Trachandrena) sigmundiCockerell, 1902CT-GA-MA-ME-NC-NH-RI-VTCommon..XXXX......Salix L.
Andrena (Iomelissa) violaeRobertson, 1891CT-DE-FL-GA-MA-MD-MS-NC-NH-NJ-NY-PA-SC-VA-WVCommon-Uncommon..XX........Viola L.
Andrenidae: Panurginae: Panurgini: PanurginiaPanurginus potentillae(Crawford, 1916)CT-GA-MA-MD-NC-NJ-NY-SC-VAUncommon-Rare..XXX.......Potentilla L.
Apidae: Apinae: AnthophoriniHabropoda laboriosa(Fabricius, 1804)AL-CT-DE-FL-GA-MA-MD-ME-MS-NC-NH-NJ-NY-PA-SC-VACommon-UncommonXXXXX.....XXCercis L., Vaccinium L.
Apidae: Apinae: EmphoriniDiadasia (Coquillettapis) afflica(Cresson, 1878)LA-MSRare..XXXX......Malvaceae, e.g. Callirhoe Nutt.
Apidae: Apinae: EuceriniMelissodes (Apomelissodes) apicatusLovell and Cockerell, 1906CT-DE-FL-GA-MA-MD-ME-NH-NJ-NYUncommon-Rare..XXXXX.....Pontederia L.
ColletidaeColletes brevicornisRobertson, 1897FL-GA-LA-MD-NC-NJ-SC-VA-WVUncommon..XXXX......Campanula L., Triodanis Raf. ex Greene
Colletes brimleyiMitchell, 1951FL-GA-NC-NJ-SCRare..XXXX......Ilex L.
Colletes latitarsisRobertson, 1891AL-CT-FL-GA-MA-MD-ME-MS-NC-NJ-NY-PA-SC-VA-WVUncommon..XXXXXXX...Physalis L.
Colletes ultravalidusHall & Ascher, 2016FLRareXXX........XEricaceae, e.g. Vaccinium (Polycodium) L., Vaccinium L.
Colletes validusCresson, 1868CT-DE-GA-MA-ME-MD-NC-NH-NJ-NY-PA-RI-SC-VAUncommon..XXXXX.....Ericaceae, e.g. Vaccinium L.
Megachilidae: MegachiliniMegachile (Megachiloides) integraCresson, 1878AL-FL-GA-MD-NC-NJ-SCRare..XXXXXXX...Galactia P. Br., Strophostyles Elliot
Megachile (Melanosarus) xylocopoidesSmith, 1853AL-DE-FL-GA-LA-MD-MS-NC-NJ-SC-VAUncommon..XXXXXXXX..Asteraceae, e.g. Coreopsis L., Erigeron L., Helianthus L., Rudbeckia L., Solidago L., Vernonia Schreb.
Megachilidae: OsmiiniHoplitis (Robertsonella) simplex(Cresson, 1864)DE-MD-NC-NJ-SC-VA-WVRare..XXX.......Nemophila Nutt., Phacelia Juss.
Megachilidae: OsmiiniOsmia (Helicosmia) chalybeaSmith, 1853AL-DE-FL-GA-LA-MD-MS-NC-NJ-NY-VA-WVRare..XXX.......Cirsium Mill.
Osmia (Melanosmia) distinctaCresson, 1864CT-DE-FL-MA-MD-ME-NC-NH-NJ-NY-PA-VA-VT-WVUncommon..XXXXX.....Penstemon Schmidel
Osmia (Helicosmia) texanaCresson, 1872MD-VA-WVRare..XXXXXX....Cirsium Mill.

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