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For Insects, Spiders & Their Kin
For the United States & Canada
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Subtribe Gastrosericina

Apoid on Grape Ivy - Tachytes - male Green-eyed Wasp on Snow-on-the-Mountain - Tachytes distinctus - female wasp - Tachytes Square-headed Wasp - Tachytes guatemalensis - male Tachytes? - Tachytes - male wasp on Asclepias incarnata - Tachytes Tachytes crassus? - Tachytes - male Tachysphex?
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 (Apoidea sans Anthophila – Apoid Wasps)
Family Crabronidae (Square-headed Wasps, Sand Wasps, and Allies)
Subfamily Crabroninae (Square-headed Wasps)
Tribe Larrini
Subtribe Gastrosericina
Numbers
146 spp. in 4 genera in our area(1), ~920 spp. in 9 genera worldwide(2)