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The housefly (also house fly, house-fly or common housefly), ''Musca domestica'', is a fly of the suborder Cyclorrhapha. It is the most common of all domestic flies, accounting for about 91% of all flies in human habitations, and indeed one of the most widely distributed insects, found all over the world. It is considered a pest that can carry serious diseases. == Description == Their thorax is blue or sometimes even black, with four longitudinal dark lines on the back. The whole body is covered with hair-like projections. The females are slightly larger than the males, and have a much larger space between their red compound eyes. The mass of pupae can range from about 8 to 20 mg under different conditions.〔 〕 Like other Diptera (meaning "two-winged"), houseflies have only one pair of wings; the hind pair is reduced to small halteres that aid in flight stability. Characteristically, the media vein (M1+2 or fourth long vein of the wing) shows a sharp upward bend. Species that appear similar to the housefly include: *The lesser house fly, ''Fannia canicularis'', is smaller, more slender, and the media vein is straight. *The stable fly, ''Stomoxys calcitrans'', has piercing mouthparts and the media vein is only slightly curved. 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「housefly」の詳細全文を読む スポンサード リンク
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