Figure 1. (A) Scutum colouration patterns of Bactrocera dorsalis individuals used in our study. Based on the dark intensity of their scutum, we named them morph 1 (i), morph 2 (ii), morph 3 (iii) and morph 4 (iv). (B) Dorsal view of the right-wing of B. dorsalis . The numbers indicate the location of the 15 landmarks targeted in our study.