Definition of Scelionidae
: 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
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Origin and Etymology of scelionidae
New Latin, from Scelion-, Scelio, type genus (probably from Latin scelion-, scelio scoundrel, from scelus crime) + -idae
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