chalcid fly Meaning, Definition & Usage

  1. 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 wasp.

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