chalcididæ

from The Century Dictionary.

• In herpetology, a family of lizards, typified by the genus Chalcides, to which different limits have been assigned.
• In entomology, a large family of pupivorous spiculiferous hymenopterous insects, typified by the genus Chalcis, composed mainly of minute species most of which are parasitic on the larvæ or eggs of other insects.