plural noun
Ste·​phan·​i·​dae | \-ˈfanəˌdē\

Definition of Stephanidae 

: a widely distributed family of slender ichneumon wasps having many-segmented filamentous antennae and including some that as larvae are parasites on wood-boring insects

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History and Etymology for Stephanidae

New Latin, from Stephanus, type genus (from Greek stephanos crown) + -idae; from the antennae

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by force of circumstances

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