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Desert Spider, Stegodyphus lineatus, one of the best-described species that participates in matriphagy Matriphagy is the consumption of the mother by her offspring. [1] [2] The behavior generally takes place within the first few weeks of life and has been documented in some species of insects, nematode worms, pseudoscorpions, and other arachnids as well as in caecilian amphibians.
When the eggs are nearly ready to hatch the mother builds a nursery web within which the egg sac is then hung. After they hatch, and until their first molt, the infant spiders inhabit the rather large volume enclosed by this nursery web. The mother spider stations herself nearby to defend the nursery. [4]
Nursery web spiders (Pisauridae) are a family of araneomorph spiders first described by Eugène Simon in 1890. [1] Females of the family are known for building special nursery webs. When their eggs are about to hatch, a female spider builds a tent-like web, places her egg sac inside, and stands guard outside, hence the family's common name.
Latrodectus geometricus, commonly known as the brown widow, [2] [3] brown button spider, grey widow, ... Eggs hatch in approximately 20 days. [5]
The eggs are deposited by the females 5–6 days after copulation. After laying the eggs, females will bind them into a ball with tiny amounts of silk. They then clutch the resulting egg sacs with their mouthparts and carry them around (a behavior common among all cellar spiders). Eggs that somehow fall from the loose bundles do not hatch.
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.
Like many other spiders, they do not build a web, and hunt insects in green vegetation, where they rely on their camouflage. ... After about 4 weeks, eggs hatch about ...
Hogna carolinensis, commonly known as the Carolina wolf spider and giant wolf spider, is found across North America. It is the largest of the wolf spiders in North America, [ 2 ] typically measuring at 18–20 mm for males and 22–35 mm for females.