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Your Position :Home->Past Journals Catalog->2018年55 No.2

Geometric morphometric analysis of wing shape variation among three important species of the genus Culicoides (Diptera: Ceratopogonidae)
Author of the article:CHANG Qiong-Qiong** JIANG Xiao-Hong HOU Xiao-Hui***
Author's Workplace:Zunyi Medical University, School of Basic Medicine, Zunyi 563000, China
Key Words:Culicoides, similar species, wing, geometric morphometric, morphologic variation
Abstract:

[Objectives]  To assess geometric morphometric analysis of wing shape as a means of accurately identifying three biting midges of the genus Culicoides Latreille, C. punctatus, C. pulicaris and C. newsteadi[Methods]  Various geometric methods were used to analyze wing shape variation, including landmarks, principal component analysis, canonical variate analysis, thin-plate splines and cluster analysis. [Results]  Significant differences in wing shape and venation were apparent among the three species, the main differences were in the radio-median cross-vein, radial cell, and basal and distal portions of the wing. C. punctatus and C. newsteadi were most similar in wing shape and venation. [Conclusion]  Geometric morphometrics is a useful tool for identifying interspecific relationships within the Ceratopogonidae.

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