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Genus Oreopasites - Mountain-Cuckoo bees

Perdita (?) - Oreopasites Neopasites ? - Oreopasites Oreopasites ? - Oreopasites Oreopasites barbarae F - Oreopasites barbarae - female Oreopasites barbarae M - Oreopasites barbarae - male Oreopasites barbarae M - Oreopasites barbarae - male Oreopasites - female Oreopasites - 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 Ammobatini
Genus Oreopasites (Mountain-Cuckoo bees)
Numbers
2 subgenera, with 10 spp. in our area, 11 spp. total(1)
Subgenera:
Oreopasites: 8 spp. in our area, 9 spp. total (8 in w. US, 3 in Mexico)(1)
*Perditopasites: 2 spp., both in our area (w. TX to CA)(1)
Size
2.2-7.5mm (the smallest, at 2.2-3.1 mm, is O. linsleyi, a cleptoparasite of Perdita)
Range
w. US into n. Mexico (map)(1)
Remarks
cleptoparasites of panurgine bees, i.e. Calliopsis and Perdita. Known hosts are listed in Rozen (1992)
our only representative of the predominantly Palaearctic & Afrotropical tribe Ammobatini that contains >120 spp. in 8 genera worldwide(1)
Print References
Rozen J.G., Jr. (1992) Systematics and host relationships of the cuckoo bee genus Oreopasites (Hymenoptera: Anthophoridae: Nomadinae). American Museum Novitates 3046: 1-56.