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Aptostichus angelinajolieae, the Angelina Jolie trapdoor spider, is a species of Euctenizidae, nocturnal arthropods who seize their prey after leaping out of their burrows and inject it with venom. [2]
A spider survey published in 1999 found P. adumbratus present in coastal sage scrub in the vicinity of San Diego. [8] A spider survey report published in 2022 found individuals in Baja California's Central Desert ecoregion in Sierra Blanca, Ensenada Municipality, Mesa Escondido and San Antonio de Las Minas on the Baja California peninsula. [5]
Latrodectus hesperus, the western black widow spider or western widow, is a venomous spider species found in western regions of North America. The female's body is 14–16 mm (1/2 in) in length and is black, often with an hourglass-shaped red mark on the lower abdomen. This "hourglass" mark can be red, yellow, and on rare occasions, white.
The male nursery web spider then rotates the female about three to five times, wrapping his silk around her legs and immobilizing them. Throughout this stage, the legs of the female are fixed in a flexed position, bounded by either the veil of silk from the male, or the legs of the male. [ 9 ]
Atypoides riversi, known as turret spider, [2] is a species of mygalomorph spider in the family Antrodiaetidae. [1] It is a medium-sized spider native to Northern California [ 3 ] [ 4 ] that constructs a burrow with a turret made of soil, vegetation and silk. [ 5 ]
Like many spiders, this species shows sexual dimorphism. [3] The female is larger than the male. The female is about 60 millimeters (2.4 in) long including the legs; her body length is 15–20 mm (0.59–0.79 in) and the male's body is 9–13 mm (0.35–0.51 in) long. [4] The juvenile spiders look similar to adults but are smaller. The juvenile ...
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.
California State Parks is the state park system for the U.S. state of California. The system is administered by the California Department of Parks and Recreation, a department under the California Natural Resources Agency. The California State Parks system is the largest state park system in the United States. [5]