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Family Ormyridae

Wasp ID - Ormyrus Chalcid parasitoid of Disholcaspis quercusglobulus - Ormyrus - female Sickly Ormyrus(?) from Acraspis pezomachoides gall - Ormyrus - female Wasp - Ormyrus Ormyrus ex Diastrophus cuscutaeformis - Ormyrus Chalcidoid ex Quercus nuttallii acorn gall - Ormyrus - male Pteromalid? - Ormyrus Wasp - Ormyrus
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 Chalcidoidea (Chalcid Wasps)
Family Ormyridae
Numbers
20 spp. in a single genus in our area, >140 spp. in 3 genera worldwide(1)
Identification
shape of the abdomen and rows of pits on each abdominal segment are diagnostic
Range
worldwide (one cosmopolitan genus + 2 monotypic Asian genera)(1)
Food
parasitoids of various gall-forming insects (cecidogenic cynipids, chalcids, Diptera, beetles, and thrips); a few may also parasitize phytophagous eurytomids in seeds(1)
Print References
Hanson P.E. (1992) The Nearctic species of Ormyrus (Hymenoptera: Chalcidoidea). Journal of Natural History 26: 1333-1365.