Figure 3. Adult weight and wing size vary across the four melanic morphs of B. dorsalis . (A) Boxplot showing the variation of wing length (i), wing width (ii), wing area (iii), wing centroid size (iv), adult weight (v) and wing loading (vi) across the four groups of B. dorsalis . Box plots show the median (horizontal lines) and the interquartile range (whiskers). Boxplot with different letters depict differences (ANOVA tests followed by the SNK posthoc test, P<0.05 , n=30). (B) Principal component analysis biplot generated from the wing size parameters of all the four morph of B. dorsalis studied.