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

Genus Platygaster

Another parasitic wasp in goldenrod gall - Platygaster Parasitic wasps in goldenrod bunch gall - Platygaster - female wasp from a gall - Platygaster - male From goldenrod bunch galls - Platygaster Platygastrid from rough-stemmed goldenrod - Platygaster Platygastrid ex Vitisiella - Platygaster vitisiellae - female Platygastrid ex Chenopodium - Platygaster 'Parasitica' - Platygaster
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 Platygastroidea
Family Platygastridae
Subfamily Platygastrinae
Genus Platygaster
Explanation of Names
Platygaster Latreille 1809
~100 spp. in our area(1), several hundreds worldwide(2)
body usually 1-2 mm
Strongly elbowed antennae, a glossy black and slender appearance, abdomen with rounded lateral margins, and limited wing venation. Some species have unusual protuberances on the scutellum
worldwide (map)(2)
Parasitize gall midges such as Dasineura and Rhopalomyia
Life Cycle
Some spp. used in pest control