Urticating hairs (setae) are found in about 90% of the species of tarantula (spiders of the family Theraphosidae) found in the New World. They are not found in tarantulas from other parts of the world.

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2024年12月16日 · Discover 20 spider hair functions in a complete guide, exploring spider silk production, web spinning, sensory perception, and more, highlighting arachnid adaptations and unique features of spider hair, or setae, in arthropod anatomy and biology.

2023年12月17日 · Tarantulas are hairy for several reasons. Unlike mammal hair, which is made of keratin, tarantulas' hairs, called setae, are made of chitin, a derivative of glucose that also makes up the...

Spider hairs are part of the hard outer cuticle (the spider's 'skin'). Unlike us, spiders use their hairs (which are often greatly modified) to perform an amazing variety of tasks - for sensing their world, in courtship displays, for moving around, and in defence and prey capture.

2021年10月11日 · These eight-legged critters scale walls and skitter on ceilings, clinging in seemingly impossible ways. Now researchers have turned up surprising clues as to how spiders can stick to almost any surface. The structure of tiny hairs at the tip of the spider’s legs likely help the creature hang on.

2019年5月3日 · Many New World tarantulas have a special type of setae on their abdomens, which is called urticating spines. The sole purpose of these urticating hairs are to protect the spider – and they are VERY effective.

The various types of hair that cover a spider’s body, known scientifically as setae, are responsible for a variety of functions, from sensory perception to defense mechanisms. This article delves into the world of spider hair, examining the different types and understanding their unique roles.

2015年5月28日 · Cupiennius belongs to the hairy type of wandering spiders with several 100 thousands of hairs on its exoskeleton (Figure 2). The vast majority of these hairs is innervated and serving a tactile function, the major exception being the non-innervated short yellowish plume hairs of adult spiders.

Spider hairs perform many important functions, many of which are sensory. Some hairs are sensitive to touch, others detect chemicals (in a similar way to how we taste and smell), and others allow them to climb smooth surfaces. Spiders also have long fine hairs called trichobothria which are sensitive to fine air movement.