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The spiders of Thomisidae are not known to be harmful to humans. However, spiders of a distantly related genus, Sicarius, which are sometimes referred to as "crab spiders", or "six-eyed crab spiders", are close cousins to the recluse spiders, and are highly venomous, though human bites are rare.
Misumena vatia is a species of crab spider found in Europe and North America. In North America, it is called the goldenrod crab spider or flower (crab) spider, [1] as it is commonly found hunting in goldenrod sprays and milkweed plants. They are called crab spiders because of their unique ability to walk sideways as well as forwards and backwards.
Thomisus spectabilis, also known as the white crab spider or Australian crab spider, is a small spider found in Australia and far east Asia. [1] The body length of the female is up to 10 mm, the male 6.2 mm. Including legs, the spider is around 3 cm across. [2] This spider is usually white, though sometimes may appear yellow.
A ground crab spider with earthy coloration. Most species of the genus Xysticus are small to medium sized spiders. They show a sexual dimorphism in size. Females of typical species reach a maximum of 10 millimetres (0.39 in) of body length, while their males are about 3–5 millimetres (0.12–0.20 in) long, about half the size of the females.
Philodromidae, also known as philodromid crab spiders and running crab spiders, is a family of araneomorph spiders first described by Tord Tamerlan Teodor Thorell in 1870 (then known as subfamily Philodrominae within Thomisidae). [1] It contains over 500 species in thirty genera. [2]
Tibellus oblongus, also called the oblong running spider or slender crab spider, is a spider with a Holarctic distribution. It does not spin webs, but instead actively hunts small insects, which it kills with venom. [1] T. oblongus lives in grassy habitats and can be preyed upon by larger spiders, such as wolf spiders like Hogna baltimoriana. [2]
Thomisus Onustus in Behbahan, Iran. The distribution of Thomisus species is almost worldwide, with the notable exception of most of South America. [5] Although Thomisus species can be found almost anywhere on earth, most species occur in the tropics and the warmer regions of the Old World, with fewer species in the region from New Guinea to Australia and the New World.
Selenopidae, also called wall crab spiders, wall spiders [1] and flatties, [2] is a family of nocturnal, free-ranging, araneomorph spiders first described by Eugène Simon in 1897. [3] [4] It contains over 281 species in nine genera, of which Selenops is the most well-known. This family is just one of several families whose English name ...