Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington

TaxonomyBrowse
Info
ImagesLinksBooksData

Family Eucharitidae

Another mystery orchard wasp - Pseudometagea schwarzii Another mystery orchard wasp - Pseudometagea schwarzii Wasp ID - Orasema ID for a tiny wasp? - Orasema occidentalis Chalcid - Orasema occidentalis Orasema? - Orasema Kapala floridana - female tiny wasp - Obeza floridana
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