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

Family Eucharitidae

tiny wasp - Pseudochalcura gibbosa - male ID for a tiny wasp? - Orasema occidentalis tiny wasp - Obeza floridana Kapala floridana - female tiny wasp - Obeza floridana Pseudochalcura gibbosa - male Pseudochalcura gibbosa - male Kapala floridana - male
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 Eucharitidae
Numbers
35 spp. in 7 genera of 2 subfamilies in our area, >420 spp. in 55 genera worldwide placed in 3 subfamilies(1)
Size
2-5.4 mm(1)
Identification
They have punctate body, small head with large mandibles, bulging humpbacked thorax, a stalked abdomen attached low on the thorax.
Main diagnostic characters(1):
Prepectus lying in same plane as, and fused to, pronotum (95%)
Pronotum small and hidden by the head dorsally (100%)
Gaster usually relatively small with a very long petiole (98%)
Forewing with marginal vein moderately long, stigmal and postmarginal veins extremely short (100%)
Food
external parasitoids of the immature stages of ants(1)
Internet References
Catalog of World Eucharitidae by John Heraty, 2014