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首页> 外文期刊>Biology Open >Tarantulas (Araneae: Theraphosidae) use different adhesive pads complementarily during climbing on smooth surfaces: experimental approach in eight arboreal and burrower species
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Tarantulas (Araneae: Theraphosidae) use different adhesive pads complementarily during climbing on smooth surfaces: experimental approach in eight arboreal and burrower species

机译：狼蛛（Araneae：Theraphosidae）在光滑表面上攀爬时互补使用不同的粘合垫：对八种树木和穴居树种的实验方法

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摘要

Tarantulas are large spiders with adhesive setae on their legs, which enable them to climb on smooth vertical surfaces. The mechanism proposed to explain adhesion in tarantulas is anisotropic friction, where friction is higher when the leg pushes than when it pulls. However, previous studies and measurements of adhesion in theraphosids were performed using dead specimens. To test their ability to climb, we studied static friction of live theraphosid spiders on different surfaces and at different inclines. We compared burrower with arboreal species to test the hypothesis of higher friction in arboreal tarantulas. We found a complementary participation of claw tufts and scopula of anterior and posterior legs when the tarantula climbs. The mechanics of climbing in association with the biological characteristics of the species are discussed.
机译：狼蛛是大蜘蛛，腿上粘有刚毛，可以爬在光滑的垂直表面上。提出的解释狼蛛附着力的机制是各向异性摩擦，当腿部推动时，摩擦力比拉动时更高。然而，先前的研究和测量在草节虫中的粘附力是使用死标本进行的。为了测试它们的爬升能力，我们研究了活的鞘磷脂蜘蛛在不同表面和不同坡度上的静摩擦。我们将穴居人与树栖物种进行了比较，以检验树栖狼蛛中较高摩擦的假设。当塔兰图拉毒蛛攀爬时，我们发现了爪毛簇和前腿和后腿的小腿的互补参与。讨论了与物种的生物学特征相关的攀登机理。

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