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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.
Leptonetidae is a family of small spiders adapted to live in dark and moist places such as caves. [1] The family is relatively primitive having diverged around the Middle Jurassic period. [ 2 ] They were first described by Eugène Simon in 1890.
Amaurobius ferox, sometimes known as the black lace-weaver, is a common nocturnal spider belonging to the family Amaurobiidae and genus Amaurobius. Its genus includes three subsocial species, A. fenestralis, A. similis and A. ferox , all three of which have highly developed subsocial organizations.
As of November 2024, the World Spider Catalog accepts the following genera: [3] Alistra Thorell, 1894 — Oceania, Asia Amaloxenops Schiapelli & Gerschman, 1958 — Argentina
Actinopodidae is a family of mygalomorph spiders found in mainland Australia and South America usually in open forest. Species are most common in Queensland, Australia . [ 1 ] It includes mouse spiders ( Missulena species), whose bites, though rare, are considered medically significant and potentially dangerous.
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.
Euophrys is a genus of jumping spiders that was first described by Carl Ludwig Koch in 1834. [2] The small black E. omnisuperstes lives on Mount Everest at elevations up to 6,700 meters, possibly making it the most elevated animal in the world. [3] Euophrys kataokai showing large anterior median eyes typical of Euophrys
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".