Pollen Specialist Bees of the Eastern United States

Jarrod Fowler & Sam Droege

Pollen Specialist Bee Phenology: AUGUST

Table 1. Pollen specialist bee families (n = 6), genera (n = 24), and species (n = 90) 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 (Callandrena s.l.) acceptaViereck, 1916FL-LA-MD-MS-NC-NJ-NY-SC-VARare.......XXX..Asteraceae, e.g. Grindelia Willd., Helianthus L.
Andrena (Callandrena s.l.) aliciaeRobertson, 1891CT-DE-GA-MA-MD-NC-NJ-NY-PA-SC-VA-WVRare......XXX...Asteraceae, e.g. Bidens L., Helianthus L., Rudbeckia L., Silphium L., Solidago L., Symphyotrichum Nees
Andrena (Callandrena s.l.) asterisRobertson, 1891AL-CT-DE-GA-MA-MD-ME-MS-NC-NH-NJ-NY-PA-RI-VA-VT-WVCommon.......XX...Solidago L., Symphyotrichum Nees
Andrena (Callandrena s.l.) braccataViereck, 1907CT-GA-MA-MD-ME-NC-NH-NJ-NY-PA-RI-VACommon-Rare.......XXX..Euthamia Nutt. ex Cass., Solidago L.
Andrena (Cnemidandrena) canadensisDalla Torre, 1896CT-MA-ME-MS-NC-NH-NJ-NY-RI-VA-VTCommon-Uncommon.......XX...Asteraceae, e.g. Eurybia (Cass.) Cass., Grindelia Willd., Solidago L., Symphyotrichum Nees
Andrena (Cnemidandrena) chromotrichaCockerell, 1899NC-NY-PA-WVRare......XXX...Asteraceae, e.g. Grindelia Willd., Helianthus L., Solidago L., Symphyotrichum Nees
Andrena (Callandrena) duplicataMitchell, 1960CT-NC-NJ-NYRare.......XXX..Asteraceae, e.g. Bidens L.
Andrena (Callandrena s.l.) helianthiRobertson, 1891CT-MA-NH-NJ-NY-PA-VAUncommon-Rare......XXX...Helianthus L.
Andrena (Cnemidandrena) hirticinctaProvancher, 1888CT-GA-MA-MD-ME-NC-NH-NJ-NY-PA-RI-VA-VT-WVCommon.......XXX..Euthamia Nutt ex. Cass., Solidago L., Symphyotrichum Nees
Andrena (Gonandrena) integraSmith, 1853CT-MA-ME-MD-NC-NJ-NY-PA-VA-VTUncommon....XXXXX...Cornus (Swida) L.
Andrena (Cnemidandrena) nubeculaSmith, 1853CT-DE-GA-MA-MD-ME-NC-NH-NJ-NY-PA-RI-VA-VT-WVCommon-Uncommon.......XXX..Euthamia Nutt. ex Cass., Solidago L., Symphyotrichum Nees
Andrena (Cnemidandrena) parnassiaeCockerell, 1902MA-NH-VTRare.......XX...Parnassia glauca Raf.
Andrena (Callandrena s.l.) placataMitchell, 1960CT-MA-MD-ME-NC-NH-NJ-NY-PA-RI-VA-VT-WVCommon......XXXX..Astereae, e.g. Eurybia (Cass.) Cass., Solidago L., Symphyotrichum Nees
Andrena (Callandrena s.l.) rudbeckiaeRobertson, 1891DE-FL-LA-MD-MS-NC-NJ-NY-PARare....XXXX....Ratibida Raf., Rudbeckia L.
Andrena (Callandrena s.l.) simplexSmith, 1853AL-CT-DE-GA-LA-MA-MD-NC-NH-NJ-NY-PA-RI-VA-WVCommon......XXXXX.Solidago L., Symphyotrichum Nees
Andrenidae: Panurginae: CalliopsiniCalliopsis (Calliopsima) coloradensisCresson, 1878AL-GA-LA-MS-NCUncommon-Rare.....XXXXX..Asteraceae, e.g. Chrysopsis (Nutt.) Elliot, Grindelia Willd., Solidago L., Symphyotrichum Nees
Calliopsis (Verbenapis) nebraskensisCrawford, 1902CT-NJRare......XX....Verbena L.
Andrenidae: Panurginae: Panurgini: PerditinaPerdita (Cockerellia) albipennisCresson, 1868MSRare.....XXXXX..Asteraceae, e.g. Grindelia Willd., Helianthus L., Heterotheca Cass., Rudbeckia L., Symphyotrichum Nees, Verbesina L.
Perdita (Cockerellia) bequaertiViereck, 1917AL-FL-GA-MD-MS-NC-NJ-NY-SCUncommon-Rare.....XXXX...Asteraceae e.g. Bidens L., Balduina Nutt., Helianthus L. [Physalis L.?]
Perdita (Hexaperdita) bishoppiCockerell, 1906AL-FL-GA-DE-MD-MS-NC-NJ-SCRare......XXX...Chrysopsis (Nutt.) Elliot, Heterotheca Cass., Pityopsis Nutt.
Perdita (Hexaperdita) boltoniae(Robertson, 1902)DE-FL-GA-LA-MD-MS-NC-NJ-NY-SC-VARare......XXXX..Chrysopsis (Nutt.) Elliot, Heterotheca Cass., Pityopsis Nutt.
Perdita (Perdita) georgicaTimberlake, 1928FL-GA-MS-NCUncommon.......XXX..Chrysopsis (Nutt.) Elliot, Heterotheca Cass., Pityopsis Nutt.
Perdita (Perdita) gerhardiViereck, 1904FL-MD-NC-NJ-VA-WVRare...XXXXX....Monarda L.
Perdita (Perdita) halictoidesSmith, 1853FL-GA-MA-MD-NC-NH-NJ-NY-VTUncommon-Rare...XXXXXX...Physalis L.
Perdita (Hexaperdita) ignotaCockerell, 1896LAUncommon-Rare.....XXX....Asteraceae: Astereae e.g. Grindelia Willd., Heterotheca Cass., Solidago L.
Perdita (Perdita) octomaculata(Say, 1824)AL-CT-DE-FL-GA-MA-MD-ME-MS-NC-NH-NJ-NY-RI-SC-VA-VT-WVCommon-Uncommon......XXXX..Astereae, e.g. Baccharis L., Chrysopsis (Nutt.) Elliot, Euthamia Nutt. ex Cass., Grindelia Willd., Pityopsis Nutt., Solidago L., Symphyotrichum Nees
Perdita (Perdita) swenkiCrawford, 1915NJ-NYRare......XXX...Asteraceae, e.g. Chrysopsis (Nutt.) Elliot, Grindelia Willd., Helianthus L., Heterotheca Cass., Solidago L.
Andrenidae: Panurginae: ProtandreniniProtandrena abdominalis(Cresson, 1878)GA-MD-NC-NJ-PA-VA-WVRare....XXXXX...Monarda L.
Andrenidae: Panurginae: ProtandreniniPseudopanurgus aestivalis(Provancher, 1882)CT-MA-MD-ME-NH-NJ-VTRare.......XX...Astereae, e.g. Chrysopsis (Nutt.) Elliot, Erigeron L., Solidago L., Symphyotrichum Nees
Pseudopanurgus albitarsis(Cresson, 1872)GA-NC-VARare....XXXXX...Asteraceae, e.g. Coreopsis L., Helianthus L., Ratibida Raf., Rudbeckia L.
Pseudopanurgus andrenoides(Smith, 1853)CT-MA-ME-NC-NH-NJ-NY-VA-WVUncommon.......XX...Asteraceae, e.g. Eurybia (Cass.) Cass., Rudbeckia L., Solidago L., Symphyotrichum Nees
Pseudopanurgus labrosiformis(Robertson, 1898)GA-MD-NC-VA-WVRare.......XXX..Asteraceae, e.g. Bidens L., Coreopsis L., Helianthus L., Rudbeckia L., Silphium L., Solidago L.
Pseudopanurgus labrosus(Robertson, 1895)CT-NC-VA-WVUncommon.......XX...Asteraceae, e.g. Helianthus L., Rudbeckia L.
Pseudopanurgus passifloraeRobertson, 1897MS-NC-VARare...XXXXXX...Passiflora L.
Pseudopanurgus pauper(Cresson, 1878)CT-FL-GA-MA-MD-NC-NJ-NY-PA-RI-VA-WVRare.....XXX....Ceanothus L.
Pseudopanurgus rugosus(Robertson, 1895)AL-FL-GA-MD-MS-NC-SC-VAUncommon-Rare.......XX...Asteraceae, e.g. Bidens L., Helianthus L., Rudbeckia L., Silphium L.
Pseudopanurgus solidaginis(Robertson, 1893)AL-MD-MS-NCUncommon.......XXX..Asteraceae, e.g. Bidens L., Coreopsis L., Helianthus L., Pityopsis Nutt., Rudbeckia L., Solidago L.
Apidae: Apinae: EmphoriniMelitoma taurea(Say, 1837)AL-DE-FL-GA-LA-MD-MS-NC-NJ-PA-SC-VA-WVCommon.....XXXX...Calystegia R. Br., Ipomoea L.
Apidae: Apinae: EmphoriniPtilothrix bombiformis(Cresson, 1878)AL-CT-DE-FL-GA-LA-MD-MS-NC-NJ-NY-PA-SC-VA-WVCommon-Uncommon.....XXX....Hibiscus L.
Apidae: Apinae: EuceriniFlorilegus (Florilegus) condignus(Cresson, 1878)AL-DE-FL-GA-LA-MD-MS-NC-NJ-SC-VAUncommon-Rare...XXXXX....Pontederia L.
Apidae: Apinae: EuceriniMelissodes (Eumelissodes) agilisCresson, 1878AL-CT-DE-FL-GA-LA-MA-MD-ME-MS-NC-NH-NJ-NY-PA-RI-SC-VA-VT-WVCommon-Uncommon....XXXXXXX.Asteraceae, e.g. Grindelia Willd., Helianthus L., Ratibida Raf., Solidago L.
Melissodes (Eumelissodes) boltoniaeRobertson, 1905AL-DE-FL-GA-LA-MD-MS-NC-NY-PA-SC-VAUncommon......XXXXX.Asteraceae, e.g. Bidens L., Chrysopsis (Nutt.) Elliot, Cirsium Mill., Coreopsis L., Grindelia Willd., Helianthus L., Heterotheca Cass., Ratibida Raf., Rudbeckia L., Solidago L., Symphyotrichum Nees, Vernonia Schreb.
Melissodes (Eumelissodes) denticulatusSmith, 1854AL-CT-DE-FL-GA-LA-MA-MD-MS-NC-NJ-NY-PA-VA-VT-WVCommon-Uncommon....XXXXXX..Asteraceae, e.g. Vernonia Schreb.
Melissodes (Eumelissodes) dentiventrisSmith, 1854AL-CT-DE-FL-GA-MA-MD-MS-NC-NJ-NY-PA-SC-VAUncommon......XXXX..Asteraceae, e.g. Bidens L., Chrysopsis (Nutt.) Elliot, Coreopsis L., Helianthus L., Pityopsis Nutt., Solidago L., Symphyotrichum Nees, Vernonia Schreb.
Melissodes (Heliomelissodes) desponsusSmith, 1854AL-CT-DE-FL-GA-MA-MD-ME-NC-NH-NJ-NY-PA-RI-SC-VA-VT-WVCommon.....XXXXX..Asteraceae, e.g. Cirsium Mill.
Melissodes (Eumelissodes) druriellus(Kirby, 1802)AL-CT-GA-MA-MD-ME-NC-NH-NJ-NY-PA-RI-SC-VA-VT-WVUncommon....XXXXXXX.Asteraceae, e.g. Euthamia Nutt. ex Cass., Helianthus L., Rudbeckia L., Solidago L., Symphyotrichum Nees, Vernonia Schreb.
Melissodes (Eumelissodes) fumosusLaBerge, 1961MD-MS-NC-SC-VARare.....XXXXX..Asteraceae, e.g. Chrysopsis (Nutt.) Elliot, Pityopsis Nutt., Solidago L.
Melissodes (Eumelissodes) illatusLovell and Cockerell, 1906ME-NC-NY-WVUncommon......XXX...Asteraceae, e.g. Helianthus L., Rudbeckia L., Solidago L., Symphyotrichum Nees
Melissodes (Eumelissodes) manipularisSmith, 1854FL-GA-NC-SCRare.......XX...Asteraceae, e.g. Chrysopsis (Nutt.) Elliot
Melissodes (Eumelissodes) niveusRobertson, 1895AL-MD-MS-NC-NJ-NY-VAUncommon......XXXX..Asteraceae, e.g. Bidens L., Chrysopsis (Nutt.) Elliot, Helianthus L., Solidago L., Symphyotrichum Nees, Vernonia Schreb.
Melissodes (Eumelissodes) subillatusLaBerge, 1961CT-DE-MA-MD-ME-NC-NJ-NY-PA-VA-WVUncommon.....XXXX...Asteraceae, e.g. Coreopsis L., Cirsium Mill., Rudbeckia L., Symphyotrichum Nees, Vernonia Schreb.
Melissodes (Eumelissodes) tinctusLaBerge, 1961FL-GA-LA-MS-NC-SCRare.......XXXXXAsteraceae, e.g. Chrysopsis (Nutt.) Elliot, Helianthus L., Symphyotrichum Nees, Verbesina L.
Melissodes (Eumelissodes) trinodisRobertson, 1901CT-DE-FL-GA-LA-MA-MD-ME-MS-NC-NJ-NY-RI-VA-VTUncommon......XXXX..Asteraceae, e.g. Helianthus L., Ratibida Raf., Rudbeckia L.
Apidae: Apinae: EuceriniPeponapis (Peponapis) pruinosa(Say, 1837)CT-DE-GA-LA-MA-MD-ME-MS-NC-NH-NJ-NY-PA-RI-SC-VA-VT-WV Common.....XXXX...Cucurbita L.
Apidae: Apinae: EuceriniSvastra (Epimelissodes) aegis(LaBerge, 1956)AL-FL-GA-LA-MS-NC-SCUncommon......XXXX..Asteraceae, e.g. Balduina Nutt., Chrysopsis (Nutt.) Elliot, Helenium L., Helianthus L., Symphyotrichum Nees
Svastra (Anthedonia) compta(Cresson, 1878)GA-MD-NC-NJ-PAUncommon.....XXXXXX.Oenothera L.
Svastra (Epimelissodes) obliqua(Say, 1837)AL-DE-FL-GA-LA-MD-MS-NC-NJ-NY-SC-VAUncommon.....XXXXXX.Asteraceae, e.g. Cirsium Mill., Grindelia Willd., Helianthus L., Rudbeckia L., Vernonia Schreb.
Svastra (Epimelissodes) petulca(Cresson, 1878)AL-FL-GA-LA-MS-NC-NJ-SCUncommon-Rare...XXXXXX...Asteraceae, e.g. Coreopsis L., Helenium L., Helianthus L., Pyrrhopappus DC., Ratibida Raf., Rudbeckia L., Verbesina L.
Apidae: Apinae: EuceriniXenoglossa (Eoxenoglossa) kansensisCockerell, 1905FL-NC-SCRare....XXXX....Cucurbita L., Ipomoea L.
Xenoglossa (Eoxenoglossa) strenua(Cresson, 1878)AL-FL-GA-LA-MD-MS-NC-SC-VAUncommon....XXXX....Cucurbita L.
Apidae: Apinae: ExomalopsiniAnthophorula (Anthophorisca) asteris(Mitchell, 1962)GA-LA-MSRare.......XX...Symphyotrichum Nees
ColletidaeColletes americanusCresson, 1868CT-FL-GA-LA-MA-MD-ME-MS-NC-NH-NJ-NY-PA-VA-WVCommon-Uncommon....XXXXXX..Asteraceae, e.g. Euthamia Nutt. ex Cass., Grindelia Willd., Helianthus L., Pityopsis Nutt., Rudbeckia L., Solidago L., Symphyotrichum Nees
Colletes compactusCresson, 1868CT-DE-MA-MD-ME-NC-NH-NJ-NY-PA-RI-VA-VT-WVCommon.....XXXXXX.Asteraceae, e.g. Bidens L., Chrysopsis (Nutt.) Elliot, Rudbeckia L., Solidago L., Symphyotrichum Nees
Colletes latitarsisRobertson, 1891AL-CT-FL-GA-MA-MD-ME-MS-NC-NJ-NY-PA-SC-VA-WVUncommon..XXXXXXX...Physalis L.
Colletes simulansCresson, 1868AL-CT-FL-GA-MA-MD-ME-MS-NC-NH-NJ-NY-PA-RI-SC-VA-VT-WVCommon....XXXXXXX.Euthamia Nutt. ex Cass., Solidago L., Symphyotrichum Nees
Colletes solidaginisSwenk, 1906CT-MA-MD-MS-NC-NH-NJ-NY-VA-VTUncommon-Rare......XXX...Solidago L.
Colletes speculiferusCockerell, 1927CT-DE-FL-GA-MA-MD-MS-NC-NJ-NY-RI-SC-VAUncommon......XXXX..Asteraceae, e.g. Euthamia Nutt ex. Cass., Solidago L., Symphyotrichum Nees
Colletes willistoniRobertson, 1891FL-GA-MD-NC-NJ-NY-PA-VARare...XXXXXX...Physalis L.
Halictidae: Halictinae: HalictiniLasioglossum (Hemihalictus) lustrans(Cockerell, 1897)AL-DE-FL-GA-LA-MD-MS-NC-SC-VARare...XXXXXX...Pyrrhopappus DC.
Lasioglossum (Sphecodogastra) oenotherae(Stevens, 1920)CT-GA-LA-MA-MD-NC-NH-NJ-NY-PA-VA-WVUncommon.....XXX....Oenothera L.
Lasioglossum (Hemihalictus) pectinatum(Robertson, 1890)CT-DE-GA-MA-MD-NJ-NY-PA-VA-WVRare.....XXX....Physalis L.
Halictidae: NomiinaeDieunomia (Dieunomia) heteropoda(Say, 1824)AL-FL-GA-LA-MD-MS-NC-NJ-SC-VAUncommon-Rare......XXX...Asteraceae, e.g. Bidens L., Coreopsis L., Helianthus L., Silphium L., Solidago L., Verbesina L.
Dieunomia (Epinomia) nevadensis(Cresson, 1874)AL-FL-LA-MD-MS-NCUncommon-Rare.......XX...Asteraceae, e.g. Baccharis L., Chrysopsis (Nutt.) Elliot, Grindelia Willd., Helianthus L., Heterotheca Cass., Pityopsis Nutt.
Halictidae: RophitinaeDufourea monardae(Viereck, 1924)CT-MA-NJ-NYRare......XX....Monarda L.
Megachilidae: AnthidiiniDianthidium (Dianthidium) curvatum(Smith, 1854)AL-FL-GA-MS-NC-SCUncommon...XXXXXX...Asteraceae, e.g. Coreopsis L., Grindelia Willd., Helenium L., Helianthus L.
Dianthidium (Dianthidium) simile(Cresson, 1864)CT-MA-ME-NJ-NYRare......XXX...Asteraceae, e.g. Solidago L., Symphyotrichum Nees
Megachilidae: AnthidiiniParanthidium (Paranthidium) jugatorium(Say, 1824)AL-GA-MD-NC-NJ-NY-SC-VA-WVUncommon-Rare......XXX...Asteraceae, e.g. Erigeron L., Grindelia Willd., Helianthus L., Heterotheca Cass., Rudbeckia L., Silphium L., Verbesina L.
Megachilidae: AnthidiiniTrachusa (Heteranthidium) dorsalis(Lepeletier, 1841)AL-GA-MS-NC-NJRare.......XX...Strophostyles Elliot
Trachusa (Heteranthidium) zebrata(Cresson, 1872)LA-MSRare.......XXX..Asteraceae, e.g. Helianthus L.
Megachilidae: MegachiliniMegachile (Megachiloides) brimleyiMitchell, 1926FL-GA-NCUncommon.....XXXX...Galactia P. Br.
Megachile (Sayapis) inimicaCresson, 1872AL-CT-DE-FL-GA-LA-MA-MD-MS-NC-NJ-NY-PA-SC-VA-WVUncommon......XXXXX.Asteraceae, e.g. Baccharis L., Chrysopsis (Nutt.) Elliot, Cirsium Mill., Coreopsis L., Erigeron L., Grindelia Willd., Helianthus L., Rudbeckia L., Silphium L., Solidago L., Verbesina L., Vernonia Schreb.
Megachile (Megachiloides) integraCresson, 1878AL-FL-GA-MD-NC-NJ-SCRare..XXXXXXX...Galactia P. Br., Strophostyles Elliot
Megachile (Argyropile) parallelaSmith, 1853FL-GA-LA-MS-NC-VARare.....XXXX...Asteraceae, e.g. Baccharis L., Coreopsis L., Grindelia Willd., Helenium L., Helianthus L., Heterotheca Cass., Rudbeckia L., Symphyotrichum Nees, Verbesina L.
Megachile (Sayapis) pugnataSay, 1837CT-DE-GA-MA-MD-NC-NH-NJ-NY-PA-VA-VT-WVUncommon.....XXXX...Asteraceae, e.g. Cirsium Mill., Coreopsis L., Erigeron L., Grindelia Willd., Helianthus L., Rudbeckia L.
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: OsmiiniAshmeadiella (Ashmeadiella) bucconis(Say, 1837)GA-LA-NCRare....XXXX....Asteraceae, e.g. Coreopsis L., Erigeron L., Grindelia Willd., Heterotheca Cass., Helianthus L., Rudbeckia L., Solidago L., Verbesina L.
Megachilidae: OsmiiniOsmia (Helicosmia) texanaCresson, 1872MD-VA-WVRare..XXXXXX....Cirsium Mill.
Melittidae: Melittinae: MacropidiniMacropis (Macropis) ciliataPatton, 1880CT-GA-MA-MD-ME-NC-NH-NJ-NY-PA-RI-VAUncommon-Rare....XXXX....Lysimachia L.
Macropis (Macropis) nuda(Provancher, 1882)CT-MA-ME-NH-NJ-NY-PA-RI-VT-WVUncommon-Rare.....XXXX...Lysimachia L.
Macropis (Macropis) patellataPatton, 1880CT-MA-MD-NC-NJ-NY-PA-RI-VA-VTRare.....XXX....Lysimachia L.

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