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black house spider
The black house spider (''Badumna insignis'') is a common species of cribellate Australian spider, found throughout much of Australia and New Zealand. A closely related species, variously called the brown house spider〔http://www.terrain.net.nz/friends-of-te-henui-group/spiders/grey-house-spide.html〕 or the grey house spider (''Badumna longinquus''), has a similar distribution. It is also known as the common black spider.
Ludwig Carl Christian Koch described the black house spider in 1872.
==Description==
''B. insignis'' is a dark, robust spider, the female growing up to 18mm, with a 30mm legspan. As with most spiders, the males are smaller (10mm), and have longer legs in relation to their body size. In both sexes the carapace and legs are dark brown to black, and the abdomen is charcoal grey with a dorsal pattern of light markings (sometimes indistinct) and a dense covering of fine, velvety hair. ''B. longinquus'' is slightly smaller (14mm) with a greyish carapace and red-brown legs.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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