Weasel Beetle - Weasel Beetle

Japanese: イタチムシ(鼬虫) - イタチムシ
Weasel Beetle - Weasel Beetle
A general term for pouched animals belonging to the class Gastrotricha, or one of these. The class Gastrotricha is often treated as the phylum Gastrotricha. The tiger beetle Chaetonotus nodicaudus (= Polymerurus nodicaudus ) (illustration) is about 0.3 mm long and 0.036 mm wide. It appears in ponds and swamps in the summer, crawling and gliding on things in the water. Its name comes from its uniform pale orange body color and the way it swims. It sometimes jumps using its two long tails.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:
腹毛綱Gastrotrichaに属する袋形動物の総称,またはその1種。腹毛綱は腹毛動物門として扱われることも多い。イタチムシChaetonotus nodicaudus(=Polymerurus nodicaudus)(イラスト)は体長約0.3mm,体幅0.036mmほどで,夏に池や沼に出現し,水中のものの上をはったり,滑るように泳ぐ。一様に淡い橙色の体色と,その泳ぐさまからイタチムシの名がある。ときには2本の長い尾突起で跳躍する。

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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