Achaearanea angulithorax

Japanese: ツリガネヒメグモ（英語表記）Achaearanea angulithorax

A spider of the Theridiidae family. It is named after the bell-shaped dwelling it builds by weaving soil, sand, wood chips, and food scraps together with threads in cliffs, stone walls, and tree holes, and hides inside. The dwelling is suspended by one or two threads, and an irregular web of several threads is spread underneath. It is widely distributed throughout Southeast Asia, China, Taiwan, and Japan. Body length is 2 to 3 mm. The cephalothorax is brown or blackish brown, and the abdomen is usually brown with white spots scattered over it, and has a grayish-white horizontal band slightly below the center. The walking legs are light brown. It feeds mainly on ground-wandering insects such as ants and woodlouse, and catches prey by pulling it up when it gets caught in the thread.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

ヒメグモ科のクモ。崖地，石垣，木の洞などに土，砂，木くず，食べかすなどを糸でつづって釣鐘状の住居をつくり，その中に潜むのでこの名がある。住居は1～2本の糸でつるし，その下には数本の糸からなる不規則網を張る。東南アジア，中国，台湾，日本全土に広く分布する。体長2～3mm。頭胸部は褐色または黒褐色，腹部はふつう褐色の地に白色斑が点在し，中央よりやや下に灰白色の横帯を有する。歩脚は淡褐色。餌はアリ，ワラジムシなど地上徘徊性の昆虫が多く，糸にかかった獲物をつり上げてとらえる。

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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