plural noun
Em·​pid·​i·​dae | \ emˈpidəˌdē\

Definition of Empididae

: a large family of small predaceous brachycerous flies that fly in swarms with a dancing movement in the mating season, the males of many species courting the females with prey cpatured in silken balloons or webs produced from silk glands on their forelegs

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History and Etymology for Empididae

New Latin, from Empid-, Empis, type genus (from Greek empid-, empis mosquito, gnat) + -idae

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to fake an opponent out of position

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