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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Triangulate cobweb spider ： ウィキペディア英語版 Triangulate cobweb spider The triangulate cobweb spider (scientific name: ''Steatoda triangulosa''; also called the triangulate bud spider) is a common house spider in the genus ''Steatoda''. As the name indicates, it is well known for the triangle-shaped pattern on the dorsal side of its abdomen. == Description == The adult female ''triangulate cobweb spider'' is 3 to 6 mm long (1/8 to 1/4 inch), with a brownish-orange cephalothorax and spindly, yellowish legs, and tiny hairs. The round, bulbous abdomen is creamy in color, with parallel purply-brown zigzag lines running front to back. This distinctive pattern sets it apart from other theridiids in its area. The triangulate cobweb spider is known to prey on many other types of arthropods, including ants (including fire ants), other spiders, pillbugs, and ticks. It preys on several other spiders believed to be harmful to humans, including the hobo spider and the brown recluse. The egg sac of the triangulated cobweb spider is made from loosely woven silk, and is about the same size as the spider itself. Each egg sac contains approximately 30 eggs. Cobweb spiders typically live on windows or in dirt areas. They eat for a margin of their day and spend hours developing their web; it does not break if it is woven well. Below or in its web, there may be many dead insects, ranging from stinkbugs to other spiders, and even wasps. 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「Triangulate cobweb spider」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.