亚马逊河流域河蠹蛾幼虫(昆虫目:大翅目:河蠹科)的捕食行为

IF 1.8 4区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION
Eduarda Silva de Lima , Iluany da Silva Costa , Thaís Santos Souza , Emilly Vieira Drosdosky , Matheus Fernandes-Freitas , Karina Dias-Silva
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引用次数: 0

摘要

水生捕食者对猎物的选择受主动选择、猎物脆弱性和遭遇率的影响。大翅目是水生掠食性昆虫的一目,其幼虫只以活的猎物为食。它们的幼虫在亚马逊河的溪流中发现,但它们的生物学、分布和饮食很少被研究。在这里,记录了在帕尔梅迪奇尔印度的一条保护溪流中发生的一件Tipulidae被Corydalus batesii (McLachlan, 1868)捕食事件。该物种在该州已有26年未被记录,这是第一次对该幼虫的摄食进行评估。这项研究填补了该物种行为和分布的空白,增加了对亚马逊河流营养相互作用的了解,也加强了保护这些生态系统的重要性。被评估的河流在采集后几周就遭到了森林砍伐和影响,这一事实凸显了栖息地保护的紧迫性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Predatory behavior of the hellgrammite larva Corydalus batesii (McLachlan, 1868) (Insecta: Megaloptera: Corydalidae) in an Amazonian stream
Prey selection by aquatic predators is influenced by active choice, prey vulnerability and encounter rate. Megaloptera is an order of predatory aquatic insects whose larvae feed exclusively on live prey. Their larvae are found in Amazonian streams, but their biology, distribution and diet have been little studied. Here, an event of Tipulidae predation by Corydalus batesii (McLachlan, 1868) was recorded in a conserved stream in Medicilândia, Pará. This species had not been recorded in the state for 26 years, and this is the first time that the feeding of this larva has been evaluated. The study adds gaps in the behavior and distribution of this species, adding to knowledge about trophic interactions in Amazonian streams and also reinforcing the importance of conserving these ecosystems. The urgency for habitat conservation is highlighted by the fact that the stream evaluated was deforested and impacted weeks after collection.
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来源期刊
Food Webs
Food Webs Environmental Science-Ecology
CiteScore
2.80
自引率
5.90%
发文量
42
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