Transformational Mimicry in a Myrmecomorphic Spider
Transformational Mimicry in a Myrmecomorphic Spider
复制标题
拟态蜘蛛的变形拟态
DOI：
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发表时间：
2020
影响因子：
2.9
通讯作者：
Radek Michalko
中科院分区：
文献类型：
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作者：
S. Pekár;Yun;Radek Michalko
在胚后发育过程中是拟巴氏体的物种随着它们的大小的增长在拟巴氏体模型之间转换。然而，尚未测试这些连续的模拟表型是否同样受到保护免受捕食者的侵害。由于来自不同捕食者的选择，早期表型可能代表不准确的表型或准确的表型。在这里，我们测试的假设，转型Baerestry模仿蚂蚁模仿跳蜘蛛Leptochestes berolinensis。我们量化的模仿准确性的不同个体发育阶段潜在的蚂蚁模型，通过使用多性状的方法。我们测量了运动，身体轮廓，身体大小和颜色。分析表明，成年人比青少年更准确的模仿。成年蚁类似于Camponotus或Lasius蚂蚁的较小变体，而青少年更类似于Lasius和Colobopsis蚂蚁。我们测试了捕食者，螳螂和Pisaura蜘蛛是否被欺骗的模仿后，有经验的蚂蚁模型。这些掠食者从来没有捕获过任何蚂蚁或模仿者，但总是捕获非蚁形蜘蛛。我们的结论是L. berolinensis是一种对蚂蚁进行转换模仿的Baeridian模拟物，所有阶段都是准确的模仿。
Species that are Batesian mimics during postembryonic development shift between mimetic models as they grow in size. However, it has not yet been tested whether these successive mimetic phenotypes are similarly protected from predators. Early-instar phenotypes could represent an inaccurate phenotype or an accurate phenotype because of selection from different predators. Here, we tested the hypotheses of transformational Batesian mimicry in the ant-mimicking jumping spider Leptochestes berolinensis. We quantified the mimetic accuracy of different ontogenetic stages to potential ant models by using a multitrait approach. We measured movement, body profile, body size, and coloration. Analysis revealed adults to be more accurate mimics than juveniles. Adults were similar to smaller morphs of Camponotus or Lasius ants, whereas juveniles were more similar to Lasius and Colobopsis ants. We tested whether predators, mantises, and Pisaura spiders were deceived by mimics after having experience with ant models. These predators never captured any ant or a mimic but always captured the nonmyrmecomorphic spider. We conclude that L. berolinensis is a Batesian mimic of ants undergoing transformational mimicry, with all stages being accurate mimics.