Hymenoptera tribes

thumb|right|250px|Bembix sp. sand wasp alt=American Sand Wasp (Bembix americana)|thumb|American Sand Wasp (Bembix americana) The Bembicini, or sand wasps, are a large tribe of bembicid wasps, comprising 20 genera. Bembicines are parasitoids on various groups of insects. The type of prey captured tends to be rather consistent within each genus, with flies (Diptera) being the most common type of prey taken. Nests are typically short, simple burrows, with a single enlarged chamber at the bottom which is stocked with freshly paralysed prey items for the developing wasp larva; the egg may sometimes

thumb|upright|Chrysis smaragdula

thumb|Rhopalum coarctatum thumb|Crabro cribrarius thumb|Ectemnius maculosus with pollen

Ropalidiini is a tribe of social wasps inhabiting the Afrotropical, Indomalayan and Australasian biogeographical regions.

REDIRECT Nomada

The Nyssonini are a group of cleptoparasitic bembicine wasps generally distinguished by the petiolate second submarginal cell of the forewing and rather strongly sculptured head and mesosoma (a common trait in cleptoparasitic wasps). Most species also bear sharp propodeal projections and spiny hind tibiae. There are ~238 spp. in 18 genera worldwide.

The Epiponini (formerly known as Polybiini) are a large and diverse tribe of social wasps inhabiting the Neotropical region, with some species' ranges extending into the Nearctic region.

Phaeogenini is a tribe of ichneumon wasps in the family Ichneumonidae.

Cynipini is a tribe of gall wasps. These insects induce galls in plants of the beech and oak family, Fagaceae. They are known commonly as the oak gall wasps. It is the largest cynipid tribe, with about 936 to 1000 recognized species, most of which are associated with oaks. The tribe is mainly native to the Holarctic.