''Torymus'' is a genus of

chalcid wasp Chalcid wasps (, , for their metallic colour) are insects within the superfamily Chalcidoidea, part of the order Hymenoptera. The superfamily contains some 22,500 known species, and an estimated total diversity of more than 500,000 species, m ...

s from the family

Torymidae Torymidae is a family of wasps in the superfamily Chalcidoidea. Most species in this family are small with attractive metallic coloration, and females generally have long ovipositors. Many are parasitoids on gall-forming insects, and some are phy ...

, and there are more than 400 spp. worldwide. It was named by the Swedish naturalist

Johan Wilhelm Dalman Johan Wilhelm Dalman (November 4, 1787, in Hinseberg, Västmanland – July 11, 1828, in Stockholm) was a Sweden, Swedish physician and a natural history, naturalist. He first studied at Christiansfeld in Schleswig-Holstein then at the University ...

in 1820. Most species are

ectoparasitoid In evolutionary ecology, a parasitoid is an organism that lives in close association with its host at the host's expense, eventually resulting in the death of the host. Parasitoidism is one of six major evolutionary strategies within parasitism ...

s of gall forming insects, usually

gall wasps Gall wasps, also wikt:gallfly#Usage notes, traditionally called gallflies, are hymenopterans of the family Cynipidae in the wasp superfamily Cynipoidea. Their common name comes from the galls they induce on plants for larval development. About 1 ...

and

gall midges Cecidomyiidae is a family of flies known as gall midges or gall gnats. As the name implies, the larvae of most gall midges feed within plant tissue, creating abnormal plant growths called galls. Cecidomyiidae are very fragile small insects usu ...

References

External links

Bugguide.net. Genus Torymus
Hymenoptera genera Taxa named by Johan Wilhelm Dalman Chalcidoidea Taxa described in 1820 Torymidae {{chalcidoidea-stub

See also

References

External links