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首页> 外文期刊>Bulletin of the British Arachnological Society >Correlations between leg positions and spaces between sticky lines in the orbs of Micrathena duodecimspinosa (Araneae: Araneidae)
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Correlations between leg positions and spaces between sticky lines in the orbs of Micrathena duodecimspinosa (Araneae: Araneidae)

机译：腿Mi（Micrathena duodecimspinosa）（Araneae：Araneidae）的球体中腿部位置与粘线之间的空间之间的相关性

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摘要

Although orb web construction behaviour is relatively well studied, there are few studies of the mechanisms with which behavioural decisions are executed, in terms of where the spider grasps lines and attaches them to each other. Video analyses were used here to show that the distance from the previous sticky loop at which the araneid spider Micrathena duodecimspinosa gripped the radius with her leg oIV during sticky spiral construction varied according to the spider's position in her web with respect to both gravity and the edge of the web. This grasping site, in turn, was correlated with the site on the radius where the spider attached the sticky line. The spacing between loops of sticky spiral, a functionally important aspect of orb design, was thus determined in part, though not completely, by the site at which leg oIV grasped the radius at the moment of attachment.
机译：尽管对球网的构造行为进行了比较充分的研究，但是关于蜘蛛执行抓紧线并将其相互连接的位置的行为决策机制的研究很少。此处使用视频分析显示，在粘性螺旋构造过程中，距蛛网蜘蛛Micrathena duodecimspinosa用腿部oIV抓住半径的前一个粘性环的距离根据蜘蛛在其网中相对于重力和边缘的位置而变化。在网络上。反过来，该抓握部位与蜘蛛附着粘性线的半径部位相关。因此，粘性螺旋环之间的间隔是球体设计的一个功能性重要方面，因此部分但不是完全由腿oIV在附着时抓住半径的位置确定。

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