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Black house spider in its web. The web of B. insignis is a messy-looking construct of irregular sail-like shapes. There is a funnel-shaped, silken retreat, usually in the middle or corner of the web, where the spider spends most of its time waiting for prey. The female spider never leaves the web unless forced to.
Badumna is a genus of intertidal spiders that was first described by Tamerlan Thorell in 1890. [5] They are harmless spiders that can be found around human structures and buildings. The most well-known species is B. insignis , also known as the "black house spider" or "black window spider".
They are small to medium-sized spiders found near the ground of eucalypt forest in small sheet webs. The species of this family are only present in Australia and Papua New Guinea. In most cases the cephalothorax and legs are uniformly red and the abdomen black, for which these species are sometimes called the "red and black spiders".
Print/export Download as PDF; ... This page lists all described species of the spider family Sicariidae accepted by the World Spider Catalog as of December 2020: [1]
Wandering spiders (Ctenidae) are a family of spiders that includes the Brazilian wandering spiders. These spiders have a distinctive longitudinal groove on the top-rear of their oval carapace similar to those of the Amaurobiidae. [1] They are highly defensive [2] and venomous nocturnal hunters.
This page lists all described genera and species of the spider family Dysderidae. As of April 2019 [update] , the World Spider Catalog accepts 625 species in 24 genera: [ 1 ] C
Males have a body length of about 11 mm, 29 mm with extended legs. The body is black, except for chocolate-brown legs. [1] Although the species was first described in 1842, females were first described in 1980. [3] This results from the male's behavior of wandering about in search of mates, while females, which reside in tubes, are rarely found.
Print/export Download as PDF; ... This page lists all described species of the spider family Cybaeidae accepted by the World Spider Catalog as of February 2021: [1] A