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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Ants, Bees, Wasps and Sawflies (Hymenoptera) » Aculeata - Ants, Bees and Stinging Wasps » Apoidea sans Anthophila – Apoid Wasps » Square-headed Wasps, Sand Wasps, and Allies (Crabronidae) » Square-headed Wasps (Crabroninae)

Subfamily Crabroninae - Square-headed Wasps

Classification · Numbers · Size · Identification · Habitat · Remarks · Works Cited
Small red and black wasp - Tachytes - female Wasp - Trypoxylon 7009795 bee - Tachytes - male Square-headed & Bicolored (ventral head) - male Spider Wasp Wasp - Trypoxylon clavatum Trypoxylon frigidum - Trypoxylon Crabroninae, wasp cocoons and flies - Ectemnius maculosus
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)
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 (except in many Larrini).
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.
Works Cited
1.Ascher J.S., Pickering J. (2017) Discover Life bee species guide and world checklist (Hymenoptera: Apoidea: Anthophila)
2.Pulawski W.J. (2003-) Catalog of Sphecidae sensu lato (Apoidea excluding Apidae)
Contributed by Richard Leung on 8 March, 2005 - 10:58pm
Additional contributions by cotinis, Beatriz Moisset, Robin McLeod, v belov, Arturo Santos
Last updated 9 April, 2022 - 1:46pm

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