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

Family Eurytomidae

Wasp? - Sycophila - female wasp - Eurytoma - male Wasp from Quercus prinoides gall - Sycophila Small Wasp small wasp Small wasp - Tetramesa Small black punctated wasp or bee - Heimbra Chalcidae?
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 Eurytomidae
Synonyms and other taxonomic changes
treated as a subfamily of Pteromalidae in some recent classifications
Epichrysomallinae recently transferred to Pteromalidae(1)
3 subfamilies, with >280 spp. (of which ~130 in Eurytoma) in ~20 genera in our area and >1400 spp. in ~90 genera worldwide(2)
Similar to Perilampids but more slender. Usually black, with thorax, head and antennae rather hairy.
Some are parasitic, others phytophagous. Almost all parasitic species feed on hosts confined to galls, stems, seeds or other protected plant parts. Some are secondary parasites.(3)(4)
Internet References
Works Cited
1.A phylogenetic analysis of the megadiverse Chalcidoidea (Hymenoptera)
Heraty J.M., Burks R.A., Cruaud A., Gibson G.A.P., Liljeblad J., Munro J., Rasplus J.-Y., Delvare G., Janšta P., Gumovsky A.... 2013. Cladistics 29: 466–542.
2.Universal Chalcidoidea Database
3.Borror and DeLong's Introduction to the Study of Insects
Norman F. Johnson, Charles A. Triplehorn. 2004. Brooks Cole.
4.A handbook of the families of Nearctic Chalcidoidea (Hymenoptera). 2nd Edition
Grissell E.E., Schauff M. E. 1997. Ent. Soc. Wash. 87pp.