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Type: Artigo
Title: Attraction And Oviposition Of Lucilia Eximia (diptera: Calliphoridae) To Resources Colonized By The Invasive Competitor Chrysomya Albiceps (diptera: Calliphoridae)
Author: Spindola
Aline F.; Zheng
Le; Tomberlin
Jeffery K.; Thyssen
Patricia J.
Abstract: The present study aimed to determine if the presence of immatures of the invasive blow fly species Chrysomya albiceps (Wiedemann) influences the adult behavior of the native species Lucilia eximia (Wiedemann) in Brazil. The level of attraction and oviposition by the native species was assessed in a dual-choice assay. The evaluation was based on sex and stage of ovarian development of L. eximia adults to a resource not colonized (NCR) or colonized (RPC) with eggs, different instars, or densities of C. albiceps. A significant difference in attraction was observed based on sex and stages of ovarian development. Males and nongravid females were more attracted to RPC, whereas gravid females preferred NCR. Moreover, males exhibited the lowest response in all assays among the three sex categories examined. In general, adults preferably oviposited on NCR rather than RPC. Also, between the eggs and second instar treatments, L. eximia laid more eggs on RPC with eggs than second instars (predatory stage). Lucilia eximia attraction to second-instar C. albiceps at different densities was marginally significant. Overall, results indicate the invasive species, C. albiceps, is impacting the behavior of the native blow fly, L. eximia, with regards to its attraction and colonization of vertebrate carrion, which could explain why native blow fly populations have significantly decreased since the introduction of C. albiceps.
Subject: Blow Fly
Forensic Entomology
Insect Behavior
Interspecific Interaction
Editor: Oxford Univ Press
Citation: Journal Of Medical Entomology. Oxford Univ Press , v. 54, p. 321 - 328, 2017.
Rights: fechado
Identifier DOI: 10.1093/jme/tjw170
Date Issue: 2017
Appears in Collections:Unicamp - Artigos e Outros Documentos

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