Apoidea stubs

Chlorion aerarium, commonly known as the steel-blue cricket hunter, is a species of thread-waisted wasps in the family Sphecidae. It is similar in shape and colour to the blue mud dauber species, Chalybion californicum, which often overlaps in range.

Diploplectron ferrugineum is a species of wasp in the family Crabronidae. It is found in North America.

Nysson tristis is a species of wasp in the family Crabronidae. It is found in North America.

Oxybelus bipunctatus is a species of square-headed wasp in the family Crabronidae. It is found in Africa, Europe & Northern Asia (excluding China), and North America.

Ectemnius maculosus is a species of square-headed wasp in the family Crabronidae. It is found in Europe & Northern Asia (excluding China) and North America.

Chlorion cyaneum, the purplish-blue cricket hunter, is a species of thread-waisted wasp in the family Sphecidae.

Cerceris elegans is a species of wasp in the family Crabronidae. It is found in Russia.

The genus Lithium is a group of four described species of aphid wasps, occurring from Mali to Turkey

The Pacific burrowing wasp (Philanthus multimaculatus) is a species of bee-hunting wasp — or a "beewolf" — of Western North America.

Tachysphex nigerrimus, also known as the black cockroach hunter, is a species of wasp in the family Crabronidae. It is endemic to New Zealand, the only species of Tachysphex that occurs there.