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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 ]
Females use silk to mask fertilized eggs in a cocoon and a period of incubation occurs in which the egg membrane is shed over 24-26 days. The first instar form will develop during this time with the first ecdysis occurring at a similar period to which the egg membrane is shed. A few days after this, the juvenile spiders will leave the built-in ...
The female gray wall jumper builds an eggsac in a crack or other concealed position in which she lays 25 to 40 eggs in a purse-like silken case. She guards the eggs until they hatch in about three weeks time after which the young spiders disperse. [2] Both young and old spiders feed mainly on small flies which alight on walls.
One mated female P. clarus can lay well over 100 eggs per sac in a thick silken cocoon. [4]: 52 An average clutch contains 135 eggs. [5] Most females bear only one clutch of eggs, [11]: 136–137 but some lay more. [1] The females stay with the egg cocoon and usually die a few days after the spiderlings leave the nest. [11]: 136–137
Eggs are laid and hatch during the summer, and adults and other stages overwinter in their individual silken shelters. Although the shelters are built separately and keep the spiders out of direct contact with each other, Kaston reports that as many as fifty of them may crowd their shelters for hibernation together so tightly that they form a ...
Phidippus otiosus is a species of jumping spider that is found in southeastern North America. It is primarily a tree-living species. [1] Females reach a body length of about 16 mm. Its iridescent chelicerae can range in color from purple to green.
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]
Toxeus magnus is a species of jumping spider of the genus Toxeus. [1] It is endemic to Taiwan [1] and Southeast Asia. [2] The species was originally classified as a part of the genus Myrmarachne in 1933 by Saitō in his work Notes on the spiders from Formosa, but it was later reclassified as Toxeus by the Polish arachnologist Jerzy Prószyński in November 2016.