A small arthropod belonging to the order Palpigradi in the class Arachnida. Most of the body lengths are less than 2 mm, and the whole body is white. At the rear end of the abdomen there is a long, slender, beaded tail consisting of 14 to 15 segments, which gave it its name from its resemblance to a paper string. There are four pairs of walking legs, but the palps are as long as walking legs and end up with claws, so at first glance it looks like there are five pairs of walking legs. The chelicerae are large and well developed. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
蛛形(ちゆけい)綱のコヨリムシ目(鬚脚(しゆきやく)目)Palpigradiに属する小型の節足動物。体長は2mmにみたないものが多く,全体白色。腹部の後端に14~15節からなる細長い数珠状の尾があり,これをこよりに見立てて呼ばれるようになった。歩脚は4対であるが,触肢が歩脚のように長く,その先端にはつめまであるので,一見したところ歩脚が5対あるように見える。鋏角(きようかく)は大きく,よく発達している。
出典 株式会社平凡社世界大百科事典 第2版について 情報 |
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