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Revista de la Sociedad Entomológica Argentina
versão impressa ISSN 0373-5680versão On-line ISSN 1851-7471
Resumo
SUAREZ, Leidy CORTÉS; DURANGO, Yesica S e GOMEZ, Giovan F. Sexual dimorphism in the wing geometry of Musca domestica L. (Diptera: Muscidae) from Colombia. Rev. Soc. Entomol. Argent. [online]. 2021, vol.80, n.1, pp.81-88. ISSN 0373-5680. http://dx.doi.org/doi.org/10.25085/rsea.800109.
Sexual dimorphism in flies has been evidenced in classical morphological characters, but little is known about the differentiation in wing geometry, a multivariate character highly controlled at the genetic level that ¡nfluences the flight and impacts its life history and can be analyzed through geometric morphometrics. Here, we evaluated sexual dimorphism in the wing geometry of Musca domestica L., a cosmopolitan synanthropic fly. Specimens from Colombia were used for wing mounting, photography, and landmark-based geometric morphometric analysis. We found significant differences between male and female specimens in wing size and shape. Particularly, cross-validated classification based on wing shape resulted in high scores (90%) of correct sex attribution. The influence of wing geometry differences on the flight performance and life history in this species remains unknown.
Palavras-chave : size; Fly; Geometric morphometrics; Morphological variability; Wing shape.