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Species Triepeolus concavus

Unknown Hymenoptera? - Triepeolus concavus Another species of Triepeolus? - Triepeolus concavus - male Triepeolus concavus? - Triepeolus concavus Bee sleeping on grass - Triepeolus concavus Triepeolus concavus? - Triepeolus concavus Triepeolus concavus? - Triepeolus concavus Bee (Kleptoparasite?) on Grindelia squarrosa - Triepeolus concavus - male Unknown Bee - Triepeolus concavus - 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 (Apoidea (clade Anthophila) - Bees)
Family Apidae (Cuckoo, Carpenter, Digger, Bumble, and Honey Bees)
Subfamily Nomadinae (Cuckoo Bees)
Tribe Epeolini
Genus Triepeolus
Species concavus (Triepeolus concavus)
Synonyms and other taxonomic changes
Epeolus concavus
Explanation of Names
Author: Cresson, 1878
Size
10-16 mm
Identification
Large, S6 of female concave
Range
USA: Alabama, Arizona, Arkansas, California (the Central Valley, and extending further south into San Bernardino Co. and Riverside Co.), Colorado, Florida, Georgia, Idaho, Illinois, Indiana, Kansas, Louisiana, Michigan, Minnesota, Mississippi, Missouri, New Mexico, North Carolina, Oklahoma, Texas, Utah, Washington, Washington D.C., Wisconsin.
Season
June to October
Food
Recorded on Helianthus, Verbena, Asteraceae. The Hosts section on its Discover Life species page lists known floral associations based on specimen records and images.

Often found on sunflowers, a preferred floral host of its host bee
Life Cycle
Cleptoparasite of Svastra obliqua (multiple subspecies)
Print References
Mitchell, T.B. 1962 Bees of the Eastern United States. North Carolina Agricultural Experiment Station Technical Bulletin No. 152.
Rightmyer, M.G. 2008. A Review of the Cleptoparasitic Bee Genus Triepeolus (Hymenoptera: Apidae).
Internet References