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A collective web of Agelena consociata in Uganda.. A social spider is a spider species whose individuals form relatively long-lasting aggregations.Whereas most spiders are solitary and even aggressive toward other members of their own species, some hundreds of species in several families show a tendency to live in groups, often referred to as colonies.
A singular egg sac can contain between 350 and 550 eggs, and webs enclosing them are built in a more compact and sturdy fashion. The 6 mm cocoons are white colored and the females attach them to the side walls of the nest. 13 to 15 days later, the juveniles tear open the cocoon walls and emerge, moving to settle on their mother's back.
The Stegodyphus dumicola is one of only twenty to thirty spider species that is considered social. Sociality in spiders is defined as cooperative breeding in spiders that are non-territorial and permanently social. [14] Although the Stegodyphus dumicola, mainly live-in groups, they have also been found to live solitarily. [8]
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.
They are distinguished from true spiders by their two pairs of book lungs, vertically oriented chelicerae, and urticating setae. However, like all members of Psalmopoeus , P. irminia lack these urticating hairs but make up for it by having stronger venom compared to other New World tarantulas.
What do tarantulas eat? Tarantulas normally hunt by staying in their burrows and waiting for their prey to come to them, according to a Texas A&M field guide. Their prey includes crickets, beetles ...
A male Eresus sandaliatus. Sexual selection in spiders shows how sexual selection explains the evolution of phenotypic traits in spiders.Male spiders have many complex courtship rituals and have to avoid being eaten by the females, with the males of most species surviving only a few matings and consequently having short life-spans.
Villareal sells tarantulas as pets to people around the U.S. and said he has been fascinated with them since childhood. “Colorado Brown” tarantulas are the most common in the La Junta area, and they form their burrows in the largely undisturbed prairies of the Comanche National Grassland.