Mechanism of sound production by the Chinese grasshopper Acrida cinerea (Orthoptera: Acrididae) during flight

IF 0.7 4区 农林科学 Q4 ENTOMOLOGY Entomological Science Pub Date : 2021-11-02 DOI:10.1111/ens.12493
Tatsuru Kuga, Eiiti Kasuya
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引用次数: 1

Abstract

Many species of grasshoppers in subfamilies Oedipodinae, Gomphocerinae and Acridinae make sounds when they escape by flying. We carried out four kinds of experiments with the Chinese grasshopper, Acrida cinerea (Orthoptera: Acrididae: Acridinae), whose males often make sounds while flying, to examine the mechanism of sound production during flight by grasshoppers. First, we recorded high-speed video and audio of the tethered flight of the males and found that they produced sounds when they clapped their hindwings together at the end of the upstroke. Second, we recorded the tethered flights of the males when we prevented them from clapping their hindwings to clarify whether the hindwing clapping produced the sounds, and we found that the obstruction of clapping hindwings prevented sound production by the males. Third, we recorded the free flight of the males and determined whether the sound produced by clapping hindwings was not specific to the tethered condition. The males clapped their hindwings during free flight, and sounds were produced when they clapped their hindwings. Finally, we observed the tethered and free flights of the females because the possibility of crepitation flight by the females existed, and we found that sound was produced by females clapping their hindwings during flight. These results showed that male A. cinerea make sounds during flight by clapping their hindwings, and females also have the ability to make sounds by using the same mechanism. This study provides the first experimental evidence on the mechanism of sound production during flight through observing the behaviors of grasshoppers.

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中国蝗虫蝗科(直翅目:蝗科)飞行过程中的发声机制
Oedipodinae、Gomphocerinae和Acridinae亚科的许多蝗虫在飞行逃跑时会发出声音。我们用雄性经常在飞行中发出声音的中国蚱蜢灰尾蝗(直翅目:蝗科:蝗科)进行了四种实验,以研究蚱蜢在飞行中产生声音的机制。首先,我们录制了雄性系绳飞行的高速视频和音频,发现它们在上冲结束时拍起后翅时会发出声音。其次,当我们阻止雄性拍打后翅时,我们记录了它们的系绳飞行,以澄清后翅拍打是否产生了声音,我们发现拍打后翅的障碍阻碍了雄性发出声音。第三,我们记录了雄性的自由飞行,并确定拍打后翅产生的声音是否不是系留状态特有的。雄性在自由飞行时拍打后翅,当它们拍打后翅时会发出声音。最后,我们观察到了雌性的系留和自由飞行,因为雌性有可能进行黄昏飞行,我们发现雌性在飞行过程中拍打后翅会发出声音。这些结果表明,雄性灰蝶在飞行过程中通过拍打后翅发出声音,雌性灰蝶也有利用同样机制发出声音的能力。本研究通过观察蝗虫的行为,首次为飞行中声音产生的机制提供了实验证据。
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来源期刊
Entomological Science
Entomological Science 生物-昆虫学
CiteScore
2.00
自引率
11.10%
发文量
30
审稿时长
6-12 weeks
期刊介绍: Entomological Science is the official English language journal of the Entomological Society of Japan. The Journal publishes original research papers and reviews from any entomological discipline or from directly allied field in ecology, behavioral biology, physiology, biochemistry, development, genetics, systematics, morphology, evolution and general entomology. Papers of applied entomology will be considered for publication if they significantly advance in the field of entomological science in the opinion of the Editors and Editorial Board.
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