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Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

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Family Ormyridae

Chalcid from scrub oak leaf gall - Ormyrus Pteromalid from Diastrophus gall - Ormyrus - male Ormyrus ex Callirhytis fructuosa - Ormyrus Small wasp - Ormyrus Wasp - Ormyrus Ormyrus? on Callirhytis quercusventricosa galls - Ormyrus - female Ormyrid - Ormyrus - female 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 (Chalcidoid 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.