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Family Gasteruptiidae - Carrot Wasps

Wasp - Gasteruption - female Ichneumon - Gasteruption - female Carrot Wasp - Gasteruption - male wasp - Gasteruption - female Gasteruption sp.? - Gasteruption - male Wasp On Caraway - Gasteruption - female Gasteruption sp. female? - Gasteruption - female On Catclaw Acacia - Gasteruption
Classification
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 Evanioidea (Aulacids, Ensigns, and Gasteruptiids)
Family Gasteruptiidae (Carrot Wasps)
Numbers
15 spp. in a single genus in our area(1), 1500-2000 spp. worldwide (Jennings and Austin 2002), of which ~500 are described (Jennings & Deans 2004)
Size
13-40 mm
Identification
Abdomen slender, very long, and attached to thorax on upper (dorsal) side. Hind tibia expanded. Ovipositor very long. Head is set on a "neck", differentiating from ichneumons.(2)
Range
In our area, most spp. in n. US and Canada
Food
Larvae are predators or predators-inquilines (consume larval food, not the larvae) of other Hymenoptera that nest in twigs and in wood (Jennings & Deans 2004)
Adults feed at flowers, especially those of the carrot family, Apiaceae. (Townes, p.120)
Life Cycle
Third instar larvae spin cocoons and overwinter, pupate in spring
Print References
Townes, H. (1950), "The Nearctic species of Gasteruptionidae (Hymenoptera)", Proceedings of the United States National Museum, Washington D. C. 100(3259): 85-145 (Full Text)
Smith, D. R. (1996) "Review of the Gasteruptiidae (Hymenoptera) of Eastern North America", Proceedings of the Entomological Society of Washington 98: 491-499 (Full Text)
Works Cited
1.American Insects: A Handbook of the Insects of America North of Mexico
Ross H. Arnett. 2000. CRC Press.
2.A Field Guide to Insects
Richard E. White, Donald J. Borror, Roger Tory Peterson. 1998. Houghton Mifflin Co.