Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Superfamily Ceraphronoidea - Ceraphronid and Megaspilid Wasps

Ceraphronidae - Aphanogmus Chalcid wasp 10 Tiny Wasp Wasp Dendrocerus unknown wasp Hymenoptera Dendrocerus - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon ("Parasitica" - Parasitoid Wasps)
Superfamily Ceraphronoidea (Ceraphronid and Megaspilid Wasps)
Synonyms and other taxonomic changes
Considered part of Proctotrupoidea until Masner & Dessart (1967)
Numbers
2 families, both in our area, with ca. 800 described and 2000 estimated spp. worldwide and just over 100 spp. in our area(1)(2)
Identification
If wings present and developed(2):
Fore wing with basal part of anterior margin bordered by a sclerotized or tubular vein
Fore wing with only 1 vein close to anterior margin, the one bordering it
Metasoma with apparent tergum 1 very large (true tergum 1 very small and invisibly fused into anterior of tergum 2), at least as wide as and as long as, or longer than, following terga combined


If wings absent or undeveloped(2):
Fore tibia with 2 apical spurs (unique in Apocrita except in 2 braconid genera)
Pronotum in lateral view triangular and extending to tegula, or thorax greatly modified and tegula absent
Antennae inserted very close to mouth
Scape at least five times as long as maximum width
Metasoma with apparent tergum 1 largest, at least three times as long as any other tergum
Range
Widespread
Food
Mostly unknown, but individuals have been reared from Coleoptera, Diptera, Hemiptera, Hymenoptera, Lepidoptera, Mecoptera, Neuroptera, Thysanoptera, and Trichoptera.
Works Cited
1.Phylogeny and classification of Hymenoptera
Sharkey M.J. 2007. Zootaxa 1668: 521–548.
2.Hymenoptera of the world: an identification guide to families
Goulet H., Huber J., eds. 1993. Agriculture Canada Publication 1894/E. 668 pp.