Chalcididae

Definition

A family of small parasitoid wasps within the superfamily Chalcidoidea (Hymenoptera), characterized by a robust, heavily sculptured mesosoma and enlarged hind femora bearing teeth or serrations along the ventral margin. Most species are black with yellow, red, or white markings and are rarely metallic. The family is apparently polyphyletic and may be split into multiple families as phylogenetic relationships are resolved.

Etymology

From Greek chalkos (copper, bronze), referring to the metallic coloration of some related chalcidoid groups

Example

Members of Chalcididae such as Brachymeria are common parasitoids of lepidopteran pupae, with females using their enlarged hind legs to grasp hosts while ovipositing.

Related Terms

• Chalcidoidea
• Parasitoid
• hyperparasitoid
• mesosoma
• Brachymeria

Usage Notes

Currently defined as a family, but likely polyphyletic; subfamilies may be elevated to family rank pending revision. Distinguished from other chalcidoid families by the combination of enlarged, toothed hind femora and non-metallic coloration in most species. Not to be confused with the broader superfamily Chalcidoidea.