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Species Andrena erythrogaster - Red-tailed Andrena

Andrena?  - Andrena erythrogaster - male Andrena? - Andrena erythrogaster - male bee - Andrena erythrogaster bee - Andrena erythrogaster bee - Andrena erythrogaster Megachilidae sp ? - Andrena erythrogaster - female Bee - Andrena erythrogaster - female insect11640 - Andrena erythrogaster
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 Tylandrena)
Species erythrogaster (Red-tailed Andrena)
Note that in the eastern USA many A. erythrogaster have largely dark metasomas with only limited areas of red. Mitchell (1960) treated called the darker form of A. erythrogaster subspecies subaustralis, but A. subaustralis is now known to be a different, valid species of subgenus Tylandrena from the western USA.
Widespread across US except west coast states
Salix (willows). The Hosts section on its Discover Life species page lists known floral associations based on specimen records and images.
Print References
Miliczky, E. R. 1988. Observations on the bionomics of the bee Andrena (Tylandrena) erythrogaster Ashmead (Hymenoptera: Andrenidae) with notes on A. (Micrandrena) personata Robertson and A. (Holandrena) c. cressonii Robertson. Illinois Natural History Survey Biological Notes 130: 18 pp.
Internet References