Hyptiotes affinis (English name)

Japanese: オウギグモ(英語表記)Hyptiotes affinis
Hyptiotes affinis (English name)
Order Arachnida, Family Pycnonotidae. Body length 5mm. The abdomen has yellowish brown, white, and blackish brown markings on a brown background. The center of the abdomen is raised, and the front covers the rear half of the dorsal thorax. It spins a triangular web consisting of four warp threads and 8 to 20 weft threads on mountain roadsides and among shrubs. It holds still by reeling in the end of one thread pulled from the apex of the web, and when it catches prey, it flicks the thread, suddenly releases the reeled thread again, and charges forward. It is found in Honshu, Shikoku, and Kyushu. The Japanese name comes from the fan-shaped web. (→Arachnida)

Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information

Japanese:
クモ綱クモ目ウズグモ科。体長 5mm。腹部には褐色の地に黄褐色,白色,黒褐色の斑紋がある。腹部中央部は隆起し,また前方は胸部背面の後半をおおう。山間の道端,低木の間などに,4本の縦糸と8~20本の横糸から成る三角形の網を張る。その頂点から引かれた1本の糸の端に糸をたぐり寄せて静止し,獲物がかかると糸をはじき,再びたぐった糸を急に放して突進する。本州,四国,九州に分布する。和名は,扇形の網に由来する。 (→クモ類 )

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