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The Blow Fly Waltz: Field and Laboratory Observations of Novel and Complex Dipteran Courtship Behavior
Journal of Insect Behavior ( IF 1 ) Pub Date : 2019-03-01 , DOI: 10.1007/s10905-019-09720-1 Nathan J. Butterworth , Phillip G. Byrne , James F. Wallman
Journal of Insect Behavior ( IF 1 ) Pub Date : 2019-03-01 , DOI: 10.1007/s10905-019-09720-1 Nathan J. Butterworth , Phillip G. Byrne , James F. Wallman
Complex courtship has been well documented in the Diptera. However, studies have focused on a limited number of taxa and mostly using lab populations, where behavior can differ substantially compared to nature. To broaden our understanding of dipteran courtship, studies are required in a wider range of species, across both wild and captive populations. The blow flies (Diptera: Calliphoridae) include some of the most commonly encountered flies, yet courtship has been documented in less than 1% of species and is reported to be brief and simple throughout the family. To further investigate blow fly courtship, and to assess the effect of captivity on behavior, this study aimed to document the courtship of a habitat specialist that is endemic to Australasia, Chrysomya flavifrons. Video footage of wild and captive groups was recorded and analyzed using behavioral analysis software. The specific aims were 1) to quantify the behavioral sequences that constitute courtship and 2) to compare courtship between wild and captive flies. We found that the courtship behavior of Ch. flavifrons was complex and stereotyped, consisting of five discrete behaviors, which starkly contrasts with the simple courtship observed in most calliphorids. All of these stereotyped behaviors were observed in both wild and captive groups. However, the proportion of time males spent on these behaviors differed substantially. These findings highlight that blow fly courtship behavior may be more complex than currently perceived, and that careful consideration should be given to the influence of the laboratory environment in future studies of fly behavior.
中文翻译:
吹飞华尔兹:新的和复杂的双翅目求爱行为的现场和实验室观察
复杂的求偶在双翅目中有很好的记录。然而,研究集中在数量有限的分类群上,并且主要使用实验室种群,与自然相比,它们的行为可能会有很大差异。为了扩大我们对双翅目求爱的理解,需要对更广泛的物种进行研究,包括野生和圈养种群。苍蝇(双翅目:Calliphoridae)包括一些最常见的苍蝇,但据记载,只有不到 1% 的物种有求偶行为,据报道,整个家庭的求偶行为都很短暂。为了进一步调查苍蝇求偶,并评估圈养对行为的影响,本研究旨在记录澳大利亚特有的栖息地专家 Chrysomya flavifrons 的求爱。使用行为分析软件记录和分析野生和圈养群体的视频片段。具体目标是 1) 量化构成求偶的行为序列和 2) 比较野生和圈养苍蝇之间的求爱。我们发现Ch的求偶行为。黄铁素是复杂和刻板的,由五种离散的行为组成,这与在大多数 calliphorids 中观察到的简单求偶形成鲜明对比。在野生和圈养群体中都观察到了所有这些刻板的行为。然而,男性花在这些行为上的时间比例差异很大。这些发现突出表明,苍蝇求偶行为可能比目前认为的更复杂,在未来的苍蝇行为研究中应仔细考虑实验室环境的影响。
更新日期:2019-03-01
中文翻译:
吹飞华尔兹:新的和复杂的双翅目求爱行为的现场和实验室观察
复杂的求偶在双翅目中有很好的记录。然而,研究集中在数量有限的分类群上,并且主要使用实验室种群,与自然相比,它们的行为可能会有很大差异。为了扩大我们对双翅目求爱的理解,需要对更广泛的物种进行研究,包括野生和圈养种群。苍蝇(双翅目:Calliphoridae)包括一些最常见的苍蝇,但据记载,只有不到 1% 的物种有求偶行为,据报道,整个家庭的求偶行为都很短暂。为了进一步调查苍蝇求偶,并评估圈养对行为的影响,本研究旨在记录澳大利亚特有的栖息地专家 Chrysomya flavifrons 的求爱。使用行为分析软件记录和分析野生和圈养群体的视频片段。具体目标是 1) 量化构成求偶的行为序列和 2) 比较野生和圈养苍蝇之间的求爱。我们发现Ch的求偶行为。黄铁素是复杂和刻板的,由五种离散的行为组成,这与在大多数 calliphorids 中观察到的简单求偶形成鲜明对比。在野生和圈养群体中都观察到了所有这些刻板的行为。然而,男性花在这些行为上的时间比例差异很大。这些发现突出表明,苍蝇求偶行为可能比目前认为的更复杂,在未来的苍蝇行为研究中应仔细考虑实验室环境的影响。