A general term for arthropods belonging to the order Pseudoscorpiones in the class Arachnida. They are also called Atoshizari and Atobisari because they quickly retreat when stimulated. Body length is 1-6mm. The body is divided into a cephalothorax and an abdomen, and the abdomen has a segmented structure. Body color varies from white, light brown, brown, gray, and black, but white and light brown are the most common. The cephalothorax has chelicerae, two pairs of palps, and four pairs of walking legs, and the tips of the palps have powerful pincers (tentacles), and some species are equipped with poison glands. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
蛛形(ちゆけい)綱カニムシ目Pseudoscorpionesに属する節足動物の総称。刺激を与えるとすばやく後退するのでアトシザリ,アトビサリとも呼ばれる。体長1~6mm。体は頭胸部と腹部に分かれ腹部には体節構造を有する。体色は白色,淡褐色,褐色,灰色,黒色などさまざまであるが,白色と淡褐色の種類がもっとも多い。頭胸部には鋏顎(きようがく)と2対の触肢,4対の歩脚があり,触肢先端には強大なはさみ(触手)をもち,毒腺をそなえる仲間も見られる。
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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