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Species Andrena erythronii - Trout-lily Andrena

Mining Bee - Andrena erythronii Small Bee - Andrena erythronii - female Bee on Erythronium - Andrena erythronii - female Andrena erythronii? - Andrena erythronii Bee - Andrena erythronii - female Mystery Bee - Andrena erythronii Bee on Trout Lily - Andrena erythronii Trout-Lily Andrena - Andrena erythronii
Classification
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 (Mining Bees)
Subfamily Andreninae (Mining Bees)
Genus Andrena
No Taxon (Subgenus Leucandrena)
Species erythronii (Trout-lily Andrena)
Explanation of Names
Author: Robertson, 1891.
Size
Female 11-14 mm, male 9-11 mm.
Identification
Both sexes can be distinguished from those of barbilabris by the more distinct pronotal humeral angles and dorsoventral ridges and by the very weak terga fasciae. The female of erythronii is marked by a labral process distinctly broader than long, the clypeus is strongly flattened and more or less shiny, propodeal dorsal enclosure is weakly sculptured. The male of erythronii is marked by the sterna having weakly formed subapical fimbriae and tergum 7 without or with an extremely narrow pygidium-like area.
Range
East US and Canada
Season
Spring bee of eastern North America
Food
Associated with trout lilies (Erythronium spp.). But also visits flowers of several other families. The Hosts section on its Discover Life species page lists known floral associations based on specimen records and images.