Scelionidae
plural noun
Scel·i·on·i·dae
ˌselēˈänəˌdē
: a cosmopolitan family of serphoid wasps that are mostly very small, dark, and shining, have elbowed usually 11-segmented or 12-segmented antennae, and include many economically important parasites of pest insects
Word History
Etymology
New Latin, from Scelion-, Scelio, type genus (probably from Latin scelion-, scelio scoundrel, from scelus crime) + -idae