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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.
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.
Spiders that spin webs typically have three claws, the middle one being small; hunting spiders typically have only two claws. Since they do not have antennae, spiders use specialised and sensitive setae on their legs to pick up scent, sounds, vibrations and air currents. [6] Some spiders, such as the Australian crab spider, do not have claws.
The eye arrangement of spiders in the genus Thomisus. As with most Thomisidae species, Thomisus exhibit sexual size dimorphism: females are 4 to 10 mm (0.16 to 0.39 in) in length, whereas males are only 2 to 7 mm (0.079 to 0.276 in).
Mecaphesa asperata, the northern crab spider, is a species of crab spider in the family Thomisidae, found in North and Central America, and the Caribbean. [1] It is a species of the 'flower spiders', so-called because they generally hunt in similarly coloured flowers for visitors such as bees and flies, and is a much smaller nearctic relative ...
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 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.
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 ...