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Genus Ophion - Short-tailed Ichneumon Wasps

Hymenoptera? - Ophion Some kind of wasp? - Ophion ? Fly - Ophion Ichneumon Ophion - Ophion - male Ichneumon - Ophion Ichneumonidae - which one? - Ophion Ophion Wasp - Ophion
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 Ichneumonoidea (Braconids and Ichneumons)
Family Ichneumonidae (Ichneumon Wasps)
Subfamily Ophioninae
Genus Ophion (Short-tailed Ichneumon Wasps)
Synonyms and other taxonomic changes
Ophion Fabricius, 1798
Explanation of Names
A name from Greek mythology--Ophion (Ὀφίων), was the first of the Titan gods to rule the world (Encyclopedia of Life).
Numbers
Nearctica (1) lists 11 North American species.
Size
10-19 mm
Identification
From "The Audubon Society Field Guide to N. American Insects & Spiders"(2):
"Abdomen long, compressed on the sides. Body pale yellow to reddish brown. Antennae and legs long, pale. Ovipositor of female barely visible at tip of abdomen. Wings clear."
Range
Throughout the U.S.
Habitat
Forest canopies and shrubby fields
Season
Adults are seen in late spring to late summer (May-August)
Food
Most all Ophion larva are parasites of caterpillars.
Life Cycle
Adult Ophion species will hunt for their host caterpillar. Usually one egg is laid per host. Caterpillar usually dies during pupal stage though wasp larva remains to pupate itself.
Remarks
The Ophion species are one of the most common Ichneumon wasps in the U.S.
They are often attracted to artificial lights
See Also
Enicospilus can be superficially similar.
Note the difference in wing venation:
Ophion

Enicospilus
Print References
"The Audubon Society Field Guide to N. American Insects & Spiders", page 810, plate 445(2)
"A Field Guide to the Insects of America North of Mexico", page 322 describes Ichneumons, with an illustration of an Ophion sp. on 323 (3)
Internet References
Texas A&M University - talks about Ichneumons in general with details on the Ophion species
Insects of Cedar Creek - has info on Ichneumons with a photo of an Ophion species
Works Cited
1.Nearctica: Nomina Insecta Nearctica
2.National Audubon Society Field Guide to Insects and Spiders
Lorus and Margery Milne. 1980. Knopf.
3.A Field Guide to Insects
Richard E. White, Donald J. Borror, Roger Tory Peterson. 1998. Houghton Mifflin Co.