A general term for arthropods belonging to the arachnid class, order Schizomida. This name comes from the protrusion at the end of the abdomen that resembles a lump of mugwort when sniffing. With a body length of 4-7mm, it looks like a small spider at first glance, but it walks slowly and will quickly jump backwards when touched. It lives under fallen leaves or in caves and is carnivorous. There are 180 species in the tropics and subtropics, and in Japan, four species live in the Ryukyu Islands and the Ogasawara Islands. [Aoki Junichi] Source: Heibonsha World Encyclopedia, 2nd Edition Information |
蛛形(ちゆけい)綱ヤイトムシ目(裂甲目)Schizomidaに属する節足動物の総称。きゅうをすえるときのもぐさの塊のような突起物が腹端にあるのでこの名がつけられた。体長4~7mm,一見小型のクモに似るが,歩きかたがゆっくりしており,触れると後方にすばやく跳躍する。落葉の下や洞穴にすみ肉食性。熱帯~亜熱帯に180種がおり,日本では琉球諸島や小笠原群島に4種が生息する。【青木 淳一】
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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