Spiders manipulate and exploit bioluminescent signals of fireflies.

IF 8.1 1区 生物学 Q1 BIOCHEMISTRY & MOLECULAR BIOLOGY Current Biology Pub Date : 2024-08-19 DOI:10.1016/j.cub.2024.07.011
Xinhua Fu, Long Yu, Wei Zhou, Chaoliang Lei, Robert R Jackson, Matjaž Kuntner, Qiuying Huang, Shichang Zhang, Daiqin Li
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Abstract

Predators often search for prey while moving through the environment, but there are important exceptions, including the way sedentary predators sometimes rely on signals for drawing prey to within striking distance1,2. Some spiders, for instance, leave the remnants of previously-captured prey in their webs where they function as static lures that effectively attract a diverse array of additional prey3456. However, important questions remain concerning how specific the targeted prey may be and how dynamic, instead of static, signalling might be. With these questions as our rationale, we initiated research on Araneus ventricosus (L. Koch, 1878), an orb-weaving spider, as the predator and the firefly Abscondita terminalis males as the prey (Figure 1A-C). Using two lanterns situated on their abdomen (Figure 1D,F), A. terminalis males make female-attracting multi-pulse flash trains (Figure 1J), whereas sedentary females attract males by making single-pulse signals (Figure 1C,K) with a single lantern (Figure 1E,G). Drawing from extensive field observations, we propose that A. ventricosus practices deceptive interspecific communication by first ensnaring firefly males in its web and then predisposing the entrapped male fireflies to broadcast bioluminescent signals that deviate from female-attracting signals typically made by A. terminalis males and instead mimic the male-attracting signals typically made by females. The outcome is that the entrapped male fireflies broadcast false signals that lure more male fireflies into the web.

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蜘蛛操纵和利用萤火虫的生物发光信号。
捕食者通常在环境中移动时搜寻猎物,但也有重要的例外情况,包括定居的捕食者有时依靠信号将猎物吸引到攻击距离内1,2。例如,一些蜘蛛会将先前捕获的猎物残骸留在网中,作为静态诱饵,有效地吸引各种额外的猎物3456。然而,对于目标猎物的特异性以及信号传递的动态而非静态程度,仍然存在一些重要问题。带着这些问题,我们开始了以织眶蛛 Araneus ventricosus(L. Koch,1878 年)为捕食者、以萤火虫 Abscondita terminalis 雄性为猎物的研究(图 1A-C)。末端萤火虫雄虫利用腹部的两个灯笼(图 1D,F)发出吸引雌虫的多脉冲闪光序列(图 1J),而静止的雌虫则利用单个灯笼(图 1E,G)发出单脉冲信号(图 1C,K)吸引雄虫。根据大量的野外观察,我们认为文翅萤火虫进行欺骗性的种间交流时,首先会将雄性萤火虫诱捕到网中,然后使被诱捕的雄性萤火虫发出生物发光信号,这些信号不同于顶生萤火虫雄性通常发出的吸引雌性的信号,而是模仿雌性通常发出的吸引雄性的信号。结果是,被诱捕的雄性萤火虫发出的错误信号引诱了更多的雄性萤火虫进入萤火虫网。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Current Biology
Current Biology 生物-生化与分子生物学
CiteScore
11.80
自引率
2.20%
发文量
869
审稿时长
46 days
期刊介绍: Current Biology is a comprehensive journal that showcases original research in various disciplines of biology. It provides a platform for scientists to disseminate their groundbreaking findings and promotes interdisciplinary communication. The journal publishes articles of general interest, encompassing diverse fields of biology. Moreover, it offers accessible editorial pieces that are specifically designed to enlighten non-specialist readers.
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