三种游走蜘蛛的快速猎物操纵和咬合位置偏好。

IF 1.3 4区 生物学 Q4 BEHAVIORAL SCIENCES
Julio César González-Gómez , Yuri Simone , Lida Marcela Franco Pérez , Juan Carlos Valenzuela-Rojas , Arie van der Meijden
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引用次数: 0

摘要

捕食者与被捕食者之间的相互作用是生态学中最受关注的种间关系。蜘蛛是地球上种类最多、最普遍的陆生捕食者之一。它们的食性广泛,往往与特定捕食行为和形态适应性的发展有关。然而,对蜘蛛捕食行为的研究大多集中在专性物种上,而忽略了普性物种的伦理变异性,而这种变异性使它们能够对不同类型的猎物做出反应。我们在互联网上搜索了三种普通游走蜘蛛捕食事件的图片,以确定最常见的猎物。随后,重点捕食物种被用于行为实验。我们利用高速视频分析了不同类型猎物(蜘蛛和蟋蟀)的捕食模式。结果显示,不同类型猎物的处理模式存在明显差异。我们发现,蜘蛛猎物通常会绕轴旋转,这样捕食者就可以咬住猎物的腹部,从而避免反击。相反,蟋蟀则是任意旋转。我们的研究结果可能表明,这三种通食蜘蛛在操纵猎物时有不同的偏好,它们偏好旋转蜘蛛,从而可以利用猎物的各种防御机制。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Rapid prey manipulation and bite location preferences in three species of wandering spiders

Predator-prey interactions are the interspecific relationships of greatest interest in ecology. Spiders are among the most diverse and ubiquitous terrestrial predators on the planet. Their large dietary breadth is often linked with the development of specific predatory behaviors and morphological adaptations. However, studies on the predatory behavior of spiders have mostly focused on specialist species, leaving behind the ethological variability occurring in generalist species that allow them to respond to the different prey types. For three species of generalist wandering spiders, we searched images of predation events on the Internet to determine the most common prey. Subsequently, the focal predator species were then used in behavioral experiments. Using high-speed videos, handling patterns for different prey types (spider and cricket) were analyzed. Our results show a notable difference in handling patterns between prey types. We found that the spider prey was often rotated around the axis allowing the predator to bite in the ventral region of the prey and thus avoid a counterattack. Contrary, crickets were arbitrarily rotated. Our work may be an indication that these three species of generalist spiders have a preference for manipulating prey differently with a preference to rotate spiders, allowing them to exploit prey with various defensive mechanisms.

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来源期刊
Behavioural Processes
Behavioural Processes 生物-动物学
CiteScore
2.70
自引率
7.70%
发文量
144
审稿时长
4-8 weeks
期刊介绍: Behavioural Processes is dedicated to the publication of high-quality original research on animal behaviour from any theoretical perspective. It welcomes contributions that consider animal behaviour from behavioural analytic, cognitive, ethological, ecological and evolutionary points of view. This list is not intended to be exhaustive, and papers that integrate theory and methodology across disciplines are particularly welcome.
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