三种锹形虫(鞘翅目:锹形科)幼虫的物种特异性声学行为,重点研究其绞杀器官和声学信号

IF 1.7 3区 农林科学 Q2 ENTOMOLOGY
Xu-Ming Dong, Lu Jiang
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引用次数: 0

摘要

声学行为在昆虫交流中发挥着重要作用,但在昆虫的未成熟阶段却鲜有报道。琉璃苣苔科(Lucanidae)幼虫的胸腿上有成对的击节器,可以发出声音作为交流信号。然而,对不同物种的黾动器官和声信号差异的研究还远远不够。本研究首次记录并比较了三种露兜虫(Lucanus dybowski、Prosopocoilus confucius和P. girafa)的幼虫声学行为。根据视频记录、形态观察和声学分析,对其发声机制进行了详细描述。这三个物种的幼虫都能在受到干扰时通过刮动甲壳上的拨子与中喙上的股沟刮擦而发出声音。这些声音在声学参数上表现出物种特异性差异:L. dybowski幼虫能发出短持续时间(140-200 ms)、单脉冲和低频(∼210 Hz)的声音;P. confucius能发出长持续时间(500-800 ms)、三脉冲和低频(∼280 Hz)的声音;P. girafa能发出长持续时间(500-560 ms)、双脉冲和低频(∼260 Hz)的声音。击弦器上的齿的数量和排列在具体层面上也表现出差异。利用主成分分析法对声学信号和黾动器官进行了比较。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Species-specific larval acoustic behaviour of three stag beetles (Coleoptera: Lucanidae), with emphasis on their stridulatory organs and acoustic signals

Acoustic behaviour plays a significant role in insect communications, but is rarely reported in their immature stages. Larvae of Lucanidae bear paired stridulatory organs on their thoracic legs, which could produce sounds as communicational signals. However, the species-specific differences on stridulatory organs and acoustic signals are far from fully investigated. In this study, the larval acoustic behaviours of three lucanid species, Lucanus dybowski, Prosopocoilus confucius and P. girafa were recorded and compared for the first time. The sound producing mechanism was described in detail based on video recordings, morphological observations, and acoustic analyses. The larvae of all three species are able to produce sounds by scraping the plectrum on the metatrochanter against the pars stridens on the mesocoxa during disturbance. The sounds exhibit species-specific differences in terms of acoustic parameters: the larvae of L. dybowski produce short-duration (140–200 ms), single-pulse and low-frequency (∼210 Hz) sounds; P. confucius produce long-duration (500–800 ms), triple-pulse and low-frequency (∼280 Hz) sounds; P. girafa produce long-duration (500–560 ms), double-pulse and low-frequency (∼260 Hz) sounds. The amounts and arrangements of the teeth on stridulatory organs also exhibit differences on specific level. The acoustic signals and stridulatory organs were compared using principal component analysis.

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来源期刊
CiteScore
3.50
自引率
10.00%
发文量
54
审稿时长
60 days
期刊介绍: Arthropod Structure & Development is a Journal of Arthropod Structural Biology, Development, and Functional Morphology; it considers manuscripts that deal with micro- and neuroanatomy, development, biomechanics, organogenesis in particular under comparative and evolutionary aspects but not merely taxonomic papers. The aim of the journal is to publish papers in the areas of functional and comparative anatomy and development, with an emphasis on the role of cellular organization in organ function. The journal will also publish papers on organogenisis, embryonic and postembryonic development, and organ or tissue regeneration and repair. Manuscripts dealing with comparative and evolutionary aspects of microanatomy and development are encouraged.
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