Definition of Ephydridae
: a large family of small dark-colored two-winged flies that usually lack bristles, live in moist places, and have cylindrical larvae having mouth hooks and living in fresh or salt water or occasionally in plants — see brine fly
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Origin and Etymology of ephydridae
New Latin, from Ephydra, type genus (from Greek ephydrē, feminine of ephydros living on the water, from epi- + -hydros, from hydōr water) + -idae
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