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. 2015 Nov 26;(540):405–427. doi: 10.3897/zookeys.540.10046

Figure 9.

Figure 9.

Principal components analysis (PCA) of Euclidean distances between males and females Ceratitis capitata, Ceratitis fasciventris, Ceratitis anonae and Ceratitis rosa (as calculated from peak areas of 59 cuticular hydrocarbons (CHCs)).