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Jumping spiders are a group of spiders that constitute the family Salticidae. As of 2019 [update] , this family contained over 600 described genera and over 6,000 described species , [ 1 ] making it the largest family of spiders – comprising 13% of spider species. [ 2 ]
These spiders, called mirror or sequinned spiders, are all members of several different species of the genus Thwaitesia, which features spiders with reflective silvery patches on their abdomen. The scales look like solid pieces of mirror glued to the spider's back, but they can actually change size depending on how threatened the spider feels.
[10] [11] Like all Zygoballus spiders, the cephalothorax is box-like in shape, being widest at the posterior lateral eyes. [6] [12] Numerous white or pale blue scales cover the clypeus ("face") and chelicerae. [10] [13] This covering extends around the sides of the carapace, ending beyond the posterior median eyes. [3]
Plexippus paykulli is a species of jumping spider. [1] It is native to Southeast Asia, but now has a cosmopolitan distribution. In the United States it is commonly known as the pantropical jumping spider. [2] It is usually associated with buildings [3] and may be found near light sources catching insects attracted by the light. [4]
Phidippus audax are commonly referred to as "bold jumping spiders" or "bold jumpers". [8] The species name, audax, is a Latin adjective meaning "audacious" or "bold". [8] This name was first used to describe the species by French arachnologist Nicholas Marcellus Hentz, who described the spider as being, "very bold, often jumping on the hand which threatens it". [9]
Still, many species, like house spiders and jumping spiders, are found in every state, says Scot Hodges, vice president of professional development and technical services at Arrow Exterminators in ...
All spiders possess photosensitive microvilli which have the capacity to be sensitive to the polarisation of light, as they preferentially absorb light oscillating parallel to their long axis. These microvilli are arranged orthogonally in the eyes of several families, including jumping spiders , wolf spiders , and nursery web spiders .
Joro spiders can create large webs that can be up to 10 feet wide. A Nephila clavata, a type of orb weaver spider native to Japan where it is called joro-gumo or joro spider, waits in its web for ...