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

Chalcidoid Wasp  - male Eurytominae - Tetramesa Small Wasp - Sycophila Wasp Gall on Elephantopus carolinianus - Rileya Wasp with odd antennae - Tenuipetiolus ruber - male black wasp from willow stem gall Male torymid? - Rileya
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon ("Parasitica" - Parasitoid Wasps)
Superfamily Chalcidoidea (Chalcidoid Wasps)
Family Eurytomidae
Synonyms and other taxonomic changes
treated as a subfamily of Pteromalidae in some classifications
Epichrysomallinae recently transferred to Pteromalidae(1)
Explanation of Names
Eurytomidae Walker 1832
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.
genera reviewed in (3)
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.(4)(5)
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.A Synopsis of the Genera of the Family Eurytomidae (Hymenoptera: Chalcidoidea)
Burks BD. 1971. Transactions of the American Entomological Society Vol. 97, No. 1: 1-89.
4.Borror and DeLong's Introduction to the Study of Insects
Norman F. Johnson, Charles A. Triplehorn. 2004. Brooks Cole.
5.A handbook of the families of Nearctic Chalcidoidea (Hymenoptera). 2nd Edition
Grissell E.E., Schauff M. E. 1997. Ent. Soc. Wash. 87pp.