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For Insects, Spiders & Their Kin
For the United States & Canada
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Family Ceraphronidae

Goldenrod pedicellate gall wasp - Ceraphron wasp - Ceraphron Small Wasp Wasp Wasp Wasp Unknown Parasitic Wasp
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 Ceraphronoidea (Ceraphronids and Megaspilids)
Family Ceraphronidae
Numbers
52 spp. in our area, ca. 360 described and ~1000 estimated spp. worldwide; ca. 35 spp. in Canada(1)
Identification
differs from Megaspilidae by a very small stigma, a very broad metasomal petiole, and a single median groove in the mesoscutum

Females have 9 or 10 segmented antennae, while males have 10 or 11 segmented antennae. Middle tibiae with one apical spur. Large spur on fore tibiae not forked apically. Stigma linear, rarely absent. (2)
Remarks
Have been reared as parasitoids of Diptera, Thysanoptera, Lepidoptera, Neuroptera. Some species are hyperparasitoids of Braconidae in aphids
Works Cited
1.Hymenoptera of the world: an identification guide to families
Goulet H., Huber J., eds. 1993. Agriculture Canada Publication 1894/E. 668 pp.
2.Borror and DeLong's Introduction to the Study of Insects
Norman F. Johnson, Charles A. Triplehorn. 2004. Brooks Cole.