plural noun
Gas·​ter·​o·​phil·​i·​dae | \ ˌgastə(ˌ)rōˈfiləˌdē\

Definition of Gasterophilidae 

: a family of two-winged flies comprising the horse botflies, resembling honeybees in size and proportions, and having the adult mouthparts vestigial and the antennae sunken in facial grooves

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History and Etymology for Gasterophilidae

New Latin, from Gasterophilus, type genus + -idae

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