A trait-based understanding of the vulnerability of a Paleotropical moth community to predation by a sympatric bat with flexible foraging strategies

IF 2 3区 农林科学 Q2 ENTOMOLOGY
Pritha Dey, Rohini Balakrishnan
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引用次数: 0

Abstract

Abstract Image

基于性状了解古热带蛾类群落易受具有灵活觅食策略的同域蝙蝠捕食的脆弱性
通过测量猎物的形态特征和可用性,可以预测猎物在不同季节的脆弱性。虽然传统的猎物-捕食者动态研究侧重于猎物和捕食者物种的对,但基于性状的方法使我们能够从整个集合的尺度上进行推断。在这里,我们将可测量的猎物性状与研究地区的猎物可用性结合起来,以确定印度西高止山脉生物多样性热点地区的多种蛾类在被小假吸血蝙蝠(Megaderma spasma)Chiroptera: Megadermatidae, Linneaus 1758捕食时的脆弱性,小假吸血蝙蝠是一种具有灵活觅食策略的蝙蝠。我们分析了 3 年来从几个栖息地收集到的被丢弃的猎物残骸,以了解蝙蝠的季节性饮食模式和选择性捕食。我们通过光诱法收集了不同季节的飞蛾标本,并测量了可能影响其捕食脆弱性的形态特征,如体型和规避飞行能力。我们的研究结果表明,蛾类猎物的多样性随季节而变化,在雨季,蛾类更喜欢捕食肝蛾科的蛾类。我们发现,体型较大、回避能力较低的蛾类更容易被捕食。鞘蛾科和七彩蛾科蛾类是食物中数量最多的蛾类,但它们的机动能力和最大体型却分别最低。通过评估猎物组合层面的脆弱性,我们的研究为今后研究多种多样、探索较少的古热带群落中蛾-蝙蝠的相互作用奠定了基础。此外,这项研究还重申了基于性状的方法对理解猎物-捕食者动态的有用性。
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来源期刊
Ecological Entomology
Ecological Entomology 生物-昆虫学
CiteScore
4.90
自引率
4.50%
发文量
94
审稿时长
3 months
期刊介绍: Ecological Entomology publishes top-quality original research on the ecology of insects and related invertebrate taxa. Our aim is to publish papers that will be of considerable interest to the wide community of ecologists who are motivated by ecological or evolutionary theory. The suitability of a manuscript will usually be assessed within 5 days. We publish full-length Original Articles as well as Reviews, Short Communications, Methods and Natural History papers. In Original Articles, we greatly prefer papers that test specific hypotheses and which have a high degree of novelty. All categories aim for innovative contributions that advance the subject of ecological entomology.
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