Theridion japonicum (Princess Spider)

Japanese: ヒメグモ(姫蜘蛛) - ヒメグモ（英語表記）Theridion japonicum

A spider of the family Theridiidae in the order Araneae. It is found throughout Japan and neighboring countries. Females are about 4 mm long, with an orange anterior body and a spherical posterior body with white and black dotted spots on an orange background. Males are about 2 mm long and are darker than females. They spread a sheet-like web about 20 cm long horizontally between tree branches 1 to 2 m above the ground, and irregularly spread silk on top of it. Theridi spiders hang leaves on top of this irregular web to use as a residence and birthing chamber, but many young individuals do not hang leaves.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

クモ目ヒメグモ科の蛛形（ちゆけい）類。日本全国および近隣諸国に分布している。雌は体長4mm前後，前体部は橙色，後体部は球形で橙色の地に白色斑，黒色の点状斑がある。雄は体長2mmあまりで雌よりも黒色みが強い。地上1～2mの樹枝間にさしわたし20cmほどのシート状の網を水平に張り，その上部にも糸を不規則に張りめぐらす。ヒメグモは，このシート状の網の上の不規則網の中に木の葉をつるして住居および産室とするが，若い個体では葉をつるさないものも多い。

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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