platygasterid
/ˌplatɪˈɡast(ə)rɪd/(also platygastrid) Entomology
noun
Any of the minute hymenopteran insects comprising the family Platygasteridae, which are parasitoids that lay their eggs within those of mealy bugs, moths, whiteflies, and especially gall midges.
adjective
Of or relating to the family Platygasteridae.
Origin
1920s; earliest use found in Quarterly Review of Biology. From scientific Latin Platygasteridae, family name from Platygaster, genus name + -idae.