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For Insects, Spiders & Their Kin
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Fall Fund Drive


Subfamily Bembicinae

Eastern Cicada Killer? - Sphecius speciosus Bembix? Wasp - Gorytes Wasp and planthopper prey - Psammaletes mexicanus wasp - Lestiphorus cockerelli - female Stictiella villegasi, Algodones Sand Wasp - Stictiella villegasi Tachytes again? - Hoplisoides Bicyrtes quadrifasciatus? - Bicyrtes quadrifasciatus
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.
For keys and other detailed information see(3)
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').(4)
Works Cited
1.Ascher J.S., Pickering J. (2016) Discover Life bee species guide and world checklist (Hymenoptera: Apoidea: Anthophila)
2.Catalog of Sphecidae sensu lato
3.California Bembicine Sand Wasps
R. M. Bohart and D. S. Horning, Jr. 1971. Bull. Calif. Insect Survey 13, 49 pp.
4.The Sand Wasps: Natural History and Behavior
Howard Ensign Evans & Kevin M. O'Neill. 2007. Harvard University Press.