plural noun
Ser·​phi·​dae | \-fəˌdē\

Definition of Serphidae 

: a family of small serphoid wasps having a tubular retractile ovipositor and being parasitic in the eggs and larvae of other insects

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History and Etymology for Serphidae

New Latin, from Serphus, type genus (from Greek serphos a small winged insect) + -idae

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to make faulty or ineffective

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