Canberra Spiders: Black House Spider


Canberra Black House SpiderBadumna insignis
Family: Desidae

These black, grey speckled spiders build dense ‘furry’ grey webs in the corners of windows and under eaves. There are several funnels leading to a retreat, from which the spider runs forth to capture prey. The dense appearance of the web is due to the special type of complex silk the spider produces, and its tendency to gather dust. Black house spiders can bite painfully if provoked, but would much rather catch insects. Due to their black colour and funnel-shaped webs these spiders are often mistaken for Funnelweb spiders. Although the untidy appearance of the webs can be a nuisance, Black House spiders are thought to help keep Redback spider numbers in check.

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