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Pholcidae
Pholcidae, commonly known as cellar spiders, are a spider family in the suborder Araneomorphae. The family contains about 1500 species divided into about 80 genera.
Some species, especially ''Pholcus phalangioides'', are commonly called daddy long-legs spider, granddaddy long-legs spider, carpenter spider, daddy long-legger, or vibrating spider. Confusion often arises because the name "daddy long-legs" is also applied to two distantly related arthropod groups: the harvestmen (which are arachnids but not spiders), and crane flies (which are insects).
==Appearance==
Pholcids are fragile arachnids, the body being 2–10 mm in length with legs which may be up to 50 mm long. ''Pholcus'' and ''Smeringopus'' have cylindrical abdomens and the eyes are arranged in two lateral groups of three and two smaller median contiguous eyes. Eight and six eyes both occur in this family. ''Spermophora'' has a small globose abdomen and its eyes are arranged in two groups of three and no median eyes. Pholcids are gray to brown with banding or chevron markings. The shape of the ''Pholcus'' and ''Smeringopuss body resembles that of a peanut.
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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