Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
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Family Proctotrupidae

wasp - Proctotrupes terminalis wasp - Brachyserphus January 2, 2011 image 2 of 2 - Exallonyx - female Small Wasp - Exallonyx - male Unknown Hymenoptera - Brachyserphus Wasp - Pschornia striata Proctotrupes? - Proctotrupes - female Tiny Wasp - Exallonyx
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon ("Parasitica" (parasitic Apocrita))
Superfamily Proctotrupoidea
Family Proctotrupidae
Synonyms and other taxonomic changes
Explanation of Names
Greek proktos 'butt' (anus) - perhaps a reference to the distinctive down-curved tip of the abdomen
45 species in 9 genera in our area(1)
body length 3-15 mm(2) (typically, 5-8 mm)
terminal abdominal segment narrow, elongated, and down-curved in many species; forewing with large stigma, beyond which is a very small marginal cell
adult drawing of Proctotrupes sp. showing down-curved tip of abdomen and large forewing stigma
great photo gallery at(3)
throughout NA and much of the world
mostly damp woodlands(4)
parasitoids; hosts: beetle larvae, fungus gnats(2)
Internet References