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''Ibisia marginata'' is a species of 'ibis flies' belonging to the family Athericidae, a small family very similar to Rhagionidae ('Snipe Flies'). This species is present in most of Europe. The body is quite slender, eyes are rounded and well separated, antennae 3 segmented, costae are extended around the whole wings and the abdomen has several dark and clear stripes. The legs are entirely black (hence the common name 'Black-legged water-snipefly'). Adult females aggregate in large clumps and lay egg masses on tree branches or under bridges over flowing waters. In such a way the first stage larvae will fall into the water, where they will start their life cycle. The larvae are aquatic and saprophagous. ==References== * L. Watson and M. J. Dallwitz - British Insects: the Families of Diptera - (Delta-intkey ) * Stubbs, A. and Drake, M - British Soldierflies and Their Allies: A Field Guide to the Larger British Brachycera, pp. 512 - British Entomological & Natural History Society * A. Minelli – La fauna in Italia – Touring Editore * Di Paul S. Giller, Björn Malmqvist - The biology of streams and rivers – Oxford University Press 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Ibisia marginata」の詳細全文を読む スポンサード リンク
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