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Species Andrena erigeniae - Spring Beauty Andrena

Bee - Andrena erigeniae - female Bee ID Request - Andrena erigeniae - male Spring Beauty Andrena - Andrena erigeniae - female Andrena? - Andrena erigeniae - male larger Andrena of  Claytonia - Andrena erigeniae - female bee on Spring Beauty - Andrena erigeniae Spring Beauty Andrena - Andrena erigeniae - female Andrena on spring beauty (Claytonia virginica) - Andrena erigeniae - female
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon (Aculeata - Ants, Bees and Stinging Wasps)
No Taxon (Anthophila (Apoidea) - Bees)
Family Andrenidae (Miner, Bare-miner, Fairy, and Oxaeine Bees)
Subfamily Andreninae (Miner Bees)
Genus Andrena
No Taxon (Subgenus Ptilandrena)
Species erigeniae (Spring Beauty Andrena)
Explanation of Names
Author: Robertson, 1891. Named for a plant other than its pollen host.
Female 8 mm, male 7-8 mm
Male S8 distinctively bifurcating at its apex.

Facial foveae thin. Host plant has pink pollen.
Minnesota to New York, south to North Carolina and Georgia.
March to May.
It is an oligolege of spring beauties Claytonia including C. virginica despite being named for a different plant Erigenia, often found near spring beauties. The Hosts section on its Discover Life species page lists known floral associations based on specimen records and images.
Visits flowers of Claytonia virginica and other Claytonia spp. for pollen. It also visits Erigenia bulbosa and other flowers for nectar.
Print References
Davis, L. W., and W. E. LaBerge. 1975. The nest biology of the bee Andrena (Ptilandrena) erigeniae Robertson (Hymenoptera: Andrenidae). Illinois Natural History Survey Biological Notes no. 95: 16 pp.
Internet References