ə̇ˈfidrəˌdē, eˈ- noun plural
Usage: capitalized
Etymology: New Latin, from Ephydra, type genus (from Greek ephydrē, feminine of ephydros living on the water, from epi- + -hydros, from hydōr water) + -idae
: 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