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Rhagionidae (snipe flies; order Diptera, suborder Brachycera) Family of flies, most of which lack bristles, and in which the third antennal segment has a terminal style. Some of the tibiae are spurred with pulvilli, and the arolium is pad-like. Squamae are virtually absent, and the wing veins are well defined. The elongate adult flies are usually predacious on other insects. The larvae are carnivorous in earth or vegetable mould. Adults of Rhagio scolopacea have ‘swarms’ of males which serve as a focal point for mating. There are more than 400 described species.

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