Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

Discussion, insects and people from the 2018 BugGuide Gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington

TaxonomyBrowse
Info
ImagesLinksBooksData

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
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 Tylandrena)
Species erythrogaster (Red-tailed Andrena)
Identification
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.
Range
Widespread across US except west coast states
Season
spring
Food
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