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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

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TaxonomyBrowse
Info
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Family Eucharitidae

Eucharitidae - Pseudochalcura gibbosa - female Gall wasp? - Obeza floridana tiny wasp - Pseudochalcura gibbosa - male Another mystery orchard wasp - Pseudometagea schwarzii ID for a tiny wasp? - Orasema occidentalis small wasp - Pseudochalcura gibbosa small wasp - Pseudochalcura gibbosa Chalcid - Orasema occidentalis
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