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Coelopidae or kelp flies are a family of Acalyptratae flies (order Diptera), they are sometimes also called seaweed flies, though both terms are used for a number of seashore Diptera. There are fewer than 40 species worldwide.The family is found in temperate areas, with species occurring in the southern Afrotropical, Holarctic and Australasian (which has the most species) regions. ==Family characteristics== For terms see Morphology of Diptera Coelopidae are small to medium-sized (2.5–9 mm, usually 4–7 mm), robust flies, predominantly with a flat body and dark coloured. Coelopa species are usually densely bristly or hairy. The eyes are small. The arista is bare to pubescent. Ocelli and ocellar bristles are present.The postvertical bristles are parallel or converge. There are two pairs of frontal bristles which curve outward and scattered interfrontal setulae are present.Vibrissae are absent, but there are strong bristles near the vibrissal angle. The mesonotum is flat and the prothorax is separated from the propleuron by membrane. The legs bear strong bristles and soft dense hairs and the tibia have a subapical bristle. The wing is unmarked.The costa is entire, without interruptions.The subcosta is complete, crossvein BM-Cu is present and the anal cell (cell cup) is closed. Legs usually densely hairy and the tibia with a dorsal preapical bristle. See () Image of pupa () 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「Coelopidae」の詳細全文を読む スポンサード リンク
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