Definition of Rhagionidae
: a widely distributed family of predaceous two-winged flies having usually a tapering body, long slender legs, and sometimes a conspicuous downward-projecting proboscis
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Origin and Etymology of rhagionidae
New Latin, from Rhagion-, Rhagio, type genus (from Greek rhagion, a spider, diminutive of rhag-, rhax malmignatte, grape, berry) + -idae
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