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Bibionidae
Bibionidae (march flies and lovebugs) is a family of flies (Diptera). Approximately 650-700 species are known worldwide.
==Description==
Bibionidae are medium-sized flies with a body length from 4.0 mm to 10.0 mm. The body is black, brown, or rusty, and thickset, with thick legs. The antennae are moniliform. The front tibiae bear large strong spurs or circlet of spines. The tarsi are five-segmented and bear tarsal claws, pulvilli, and a well developed empodium. The wings have two basal cells(posterior basal wing cell and basal wing cell), but are without a discoidal wing cell. R4+5 is simple or branched; at most, only three branches of R developed. The leading edge wing veins are stronger than the weak veins of the trailing edge.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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