chalcid : Idioms & Phrases

• noun any of various tiny insects whose larvae are parasites on eggs and larvae of other insects; many are beneficial in destroying injurious insects
  chalcid; chalcidfly; chalcid fly.
  

WordNet

Chal"cid fly`

Etymology

From Gr. copper; in allusion to its color.

Definitions

1. (Zoöl.) One of a numerous family of hymenopterous insects (Chalcididæ. Many are gallflies, others are parasitic on insects.

Webster 1913

• noun any of various tiny insects whose larvae are parasites on eggs and larvae of other insects; many are beneficial in destroying injurious insects
  chalcid; chalcidfly; chalcid fly.
  

WordNet