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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.
Xysticus funestus, the mournful ground crab spider, the sad ground crab spider or the deadly ground crab spider is a species of ground crab spider in the family Thomisidae. [1] [2] It is found in North America. [2] [3] [4] Despite one of the suggested common names - ‘deadly ground crab spider’, Xysticus funestus poses no threat to humans ...
Xysticus cristatus is an ambush hunter which spends much time sitting still, with its fore-legs spread wide, waiting for insects to blunder into them. [3] In grass it adopts a flexible hunting position either at the tips of vegetation, such as flowerheads, or on the ground surface and as a result, the prey taken is varied and is made up of flying insects, including bees and butterflies.
Crab spider feeding on a Junonia atlites butterfly in a Zinnia elegans flower. The Thomisidae are a family of spiders, including about 170 genera and over 2,100 species. The common name crab spider is often linked to species in this family, but is also applied loosely to many other families of spiders.
Thomisus is a genus of crab spiders (family Thomisidae) with around 142 species described.The genus includes species that vary widely in their ecology, with some that are ambush predators that feed on insects visiting flowers.
Sidymella angularis (also known as the common square-ended crab spider), is a species of crab spider endemic to New Zealand. Like all thomisid spiders, this species does not make a web, but lies in wait for prey to appear nearby. It eats insects, or occasionally other small spiders. It lives in leaf litter on the forest floor or in low vegetation.
Thomisus onustus is a crab spider belonging to the genus Thomisus. These spiders are found across Europe, North Africa, and parts of the Middle East and Asia. T. onustus reside in flowers in lowland vegetation. Females are distinguished by their larger size and ability to change color between white, yellow, and pink as a means of matching ...
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]