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Subfamily Crabroninae - Square-headed Wasps

Square-headed Wasp - Crabronini - Lestica Oakland raider wasp - Tachytes distinctus - male Bee, I mean wasp, #4 - Trypoxylon 6012667 Tachytes - Tachytes guatemalensis - male Wasp of some kind - Tachytes - female wasp on buckwheat Hymenopteran (I believe-could be mimic) - Tachytes - male Square-headed Wasp - Tachytes
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 (Apoid Wasps (Apoidea)- traditional Sphecidae)
Family Crabronidae
Subfamily Crabroninae (Square-headed Wasps)
Numbers
~520 spp. in 31 genera of 6 tribes in our area(1), ~4,660 spp. in >100 genera of 7 tribes worldwide(2)
Size
body 6-20 mm
Identification
Large and quadrate head, with the inner margins of the eyes straight and converging ventrally. Forewing has only one submarginal cell.
Habitat
Adults commonly found on flowers
Remarks
Some nest in hollow stems or in abandoned galleries in wood, others burrow in the ground. Prey is mostly flies, but some utilize other insects.