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10 Most Common House Spiders

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False Widow Spiders: How Dangerous Are They Really?

How Dangerous Are False Widow Spiders?Each autumn, reports resurface of false widow spiders taking up residence in homes across the …
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Sac Spider : Habitat, Diet & Life Cycle Uncovered

These spiders are free-living arachnids frequently encountered among vegetation and within domestic settings, where they construct silken retreats—small sacs beneath …
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Mygalomorphae Unveiled: Venom, Habitats, Diets, and Life Cycles Explored

Our mygalomorph residents:Uh, what did you just say, Sheryl? Mygalomorph? What the heck is THAT? Well, you’re in luck today …
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spider

Spider | Description, Behavior, Species, Classification, & Facts

Spider, (order Araneida or Araneae), any of more than 46,700 species of arachnids that differ from insects in having eight legs rather than six and in having the body divided into two parts rather than three. The use of silk is highly developed among spiders. Spider behaviour and appearance are diverse, and the araneids outside Europe, Japan, and North America have not been thoroughly collected and studied.

All spiders are predators, feeding almost entirely on other arthropods, especially insects. Some spiders are active hunters that chase and overpower their prey. These typically have a well-developed sense of touch or sight. Other spiders instead weave silk snares, or webs, to capture prey. Webs are instinctively constructed and effectively trap flying insects. Many spiders inject venom into their prey to kill it quickly, whereas others first use silk wrappings to immobilize their victims.