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・ Aranella fimbriata
・ Araneoidea
・ Araneomorphae
・ Araneosa
・ Araneotanna
・ Aranes
・ Aranes (mountain)
・ Aranese Democratic Convergence
・ Aranese dialect
・ Araneta
・ Araneta Center
・ Araneta Center–Cubao LRT Station
・ Araneta Center–Cubao MRT Station
・ Araneta family
・ Araneta MRT Station
Araneus
・ Araneus alsine
・ Araneus angulatus
・ Araneus asiaticus
・ Araneus bradleyi
・ Araneus cinnabarinus
・ Araneus circe
・ Araneus diadematus
・ Araneus gemma
・ Araneus gemmoides
・ Araneus illaudatus
・ Araneus marmoreus
・ Araneus mitificus
・ Araneus pallidus
・ Araneus quadratus


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Araneus : ウィキペディア英語版
Araneus

''Araneus'' is a genus of common orb-weaving spiders. It includes about 650 species, among which are the European garden spider and the barn spider.
==Description==

Spiders of this genus present perhaps the most obvious case of sexual dimorphism among all of the orb-weaver family, with males being normally to the size of females. In ''A. diadematus'', for example, last molt females can reach the body size of up to 1 in (2.5 cm), while most males seldom grow over 0.3 in (1 cm), both excluding legspan. Males are differentiated from females by a much smaller and more elongated abdomen, longer legs, and the inability to catch or consume prey bigger than themselves.
In females, the epigyne has a long scape (a tongue-like appendage). Male pedipalps have a hook-like terminal apophysis. Abdominal tubercles are present anterolaterally.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Araneus」の詳細全文を読む



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