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Subfamily Bembicinae

Wasp - Bembix Sand wasp digging in trail - Steniolia elegans - female Sand Wasp Disconnected - female Wasp and prey - Gorytes - female Large wasp - Sphecius speciosus Sand Wasp - Bembix americana - female Wasp - Hoplisoides Wasp ID - female
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 (Apoid Wasps (Apoidea)- traditional Sphecidae)
Family Crabronidae
Subfamily Bembicinae
3 tribes in the subfamily, with ca. 280 spp. in 35 genera in our area(1) and ~1700 spp. in >80 genera worldwide(2)
Mesonotum almost always expanded laterally into laminae more or less overlying the bases of the tegulae, and the jugal lobe of the hind wing is shorter than the submedian cell; all except Bembicini have two apical spurs on the middle tibiae; forewings with three submarginal cells.
Adults feed on nectar. Larvae are fed insects which the adults put in the nests: most species prey on Auchenorrhyncha but several species are kleptoparasitic on (steal from) other Bembicinae
Life Cycle
Females are either solitary nest provisioners or brood parasites of other wasps. In the nest-provisioning species, each female digs one or more ground nests using mandibles and front legs (often armed with a row of stout rake spines called 'pecten').(3)
Print References
Parker J.B. (1917) A revision of the bembicine wasps of America North of Mexico. Proc. U.S. Nat. Mus. 52: 1-155. (Full text)
Parker J.B. (1929) A generic revision of the fossorial wasps of the tribes Stizini and Bembicini with notes and descriptions of new species. Proc. U.S. Nat. Mus. 75: 1-203. (Full text)