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

Family Trigonalidae

Wasp - Lycogaster pullata wasp - Taeniogonalos gundlachii Wasp 89 - Orthogonalys pulchella Hymenoptera - Orthogonalys pulchella Ichneumonidae? - Orthogonalys pulchella Taeniogonalos gundlachii Orthogonalys pulchella Orthogonalys pulchella
Classification
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 Trigonaloidea
Family Trigonalidae
Explanation of Names
Trigonalidae Cresson 1887
Trigonalyidae of authors (see page for Trigonaloidea)
Numbers
5 spp. in 4 genera in our area(1)(2) (incl. a recently described species of Orthogonalys), >90 spp. in 16 genera worldwide(3)
Identification
Usually brightly colored and stout. Antennae very long and with many segments.

Key to eastern sp. found in Smith, 1996.
Food
Parasites of social vespids or of the parasites of caterpillars
Life Cycle
Females of many species lay their minute eggs on the edge of leaves. The eggs have to be consumed by the host. The larvae later on attacks the parasites of the host, so they are hyperparasites.
Remarks
Uncommon
Internet References
Taxon page (D. Cameron)
Works Cited
1.American Insects: A Handbook of the Insects of America North of Mexico
Ross H. Arnett. 2000. CRC Press.
2.Borror and DeLong's Introduction to the Study of Insects
Norman F. Johnson, Charles A. Triplehorn. 2004. Brooks Cole.
3.Order Hymenoptera. In: Zhang Z-Q (ed) Animal biodiversity: An outline of higher-level classif. and survey of taxonomic richness
Aguiar AP, Deans AR, Engel MS, Forshage M, Huber JT, Jennings JT, Johnson NF, Lelej AS, Longino JT, Lohrmann V, Mikó I, Ohl M. 2013. Zootaxa 3703: 51–62.