Eduarda Silva de Lima , Iluany da Silva Costa , Thaís Santos Souza , Emilly Vieira Drosdosky , Matheus Fernandes-Freitas , Karina Dias-Silva
{"title":"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","authors":"Eduarda Silva de Lima , Iluany da Silva Costa , Thaís Santos Souza , Emilly Vieira Drosdosky , Matheus Fernandes-Freitas , Karina Dias-Silva","doi":"10.1016/j.fooweb.2025.e00410","DOIUrl":null,"url":null,"abstract":"<div><div>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 <em>Corydalus batesii</em> (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.</div></div>","PeriodicalId":38084,"journal":{"name":"Food Webs","volume":"44 ","pages":"Article e00410"},"PeriodicalIF":1.8000,"publicationDate":"2025-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Predatory behavior of the hellgrammite larva Corydalus batesii (McLachlan, 1868) (Insecta: Megaloptera: Corydalidae) in an Amazonian stream\",\"authors\":\"Eduarda Silva de Lima , Iluany da Silva Costa , Thaís Santos Souza , Emilly Vieira Drosdosky , Matheus Fernandes-Freitas , Karina Dias-Silva\",\"doi\":\"10.1016/j.fooweb.2025.e00410\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>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 <em>Corydalus batesii</em> (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.</div></div>\",\"PeriodicalId\":38084,\"journal\":{\"name\":\"Food Webs\",\"volume\":\"44 \",\"pages\":\"Article e00410\"},\"PeriodicalIF\":1.8000,\"publicationDate\":\"2025-06-18\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Food Webs\",\"FirstCategoryId\":\"93\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S2352249625000254\",\"RegionNum\":4,\"RegionCategory\":\"环境科学与生态学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"BIODIVERSITY CONSERVATION\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Food Webs","FirstCategoryId":"93","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2352249625000254","RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"BIODIVERSITY CONSERVATION","Score":null,"Total":0}
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.