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21 November 2019 Contrasting Responses of Wing Morphology of Three Blowfly (Diptera: Calliphoridae) Species to Competition
M. P. Macedo, L. C. Arantes, R. Tidon
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Abstract

Competition influences the expression of morphological, physiological, and behavioral traits and also regulates ecological and evolutionary dynamics. This study aims to identify and characterize changes in wing morphology in response to intra- and interspecific competition in three necrophagous blowfly species. Using geometric morphometry, we analyzed 3,238 wings from Lucilia sericata (Meigen, 1826), Calliphora vicina Robineau-Desvoidy, 1830, and C. vomitoria (Linnaeus, 1758) raised under cloistered and pairwise conditions. The three species reacted similarly to intraspecific competition—reducing wing size with increased competition—but displayed contrasting patterns of response to interspecific competition. Lucilia sericata displayed a directional change in wing shape in response to an interspecific competitor, while C. vicina increased the scattering of individuals across the morphospace, and C. vomitoria displayed no significant change in response to the same stimulus. Our results show that the same stimulus yields distinctive responses; thus, different competition-related strategies are expected to occur in the three species.

© The Author(s) 2019. Published by Oxford University Press on behalf of Entomological Society of America. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.
M. P. Macedo, L. C. Arantes, and R. Tidon "Contrasting Responses of Wing Morphology of Three Blowfly (Diptera: Calliphoridae) Species to Competition," Journal of Medical Entomology 57(3), 738-744, (21 November 2019). https://doi.org/10.1093/jme/tjz211
Received: 20 April 2019; Accepted: 26 October 2019; Published: 21 November 2019
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