《Table 2.Mahalanobis distances between groups from wing venation CVs, shown separately for each sex.

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《Geometric morphometric and molecular evidence suggest a new fruit fly species in Bactrocera(Zeugodacus) tau complex(Diptera: Tephritidae)》

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*Above diagonal—wings of male；below diagonal—wings of female.

Two greatest CVs contribute up to 97%of males’wing geometric variation，66%and 31%by CV1 and CV2，respectively（Fig.3A）.Three clusters are depicted by CV1 and CV2；each of B.tau sensu stricto and Gr.II have formed a remote cluster，as also presented by Mahalanobis distances in Table 2.B.tau form C and Gr.I comprise the third cluster，where Mahalanobis distance between them is relatively low.In females’wing shapes，78%and 17%of variation is represented by CV1 and CV2，respectively（Fig.3B）.Females’CVs similarly divide the data to three clusters；Mahalanobis distances between B.tau sensu stricto and the rest are around 3.8 to 5.0（Table 2），and similar results were reported from Gr.II.On the other hand，Mahalanobis distance between B.tau form C and Gr.I yields a value of around 2.2.Though the resolution is less clear than in males，they give similar wing discrimination.