Figure 4
From: Drosophilids with darker cuticle have higher body temperature under light
(a) Picture of Drosophila yakuba (left) and Drosophila santomea (right) males. (b) Boxplots showing the normalized temperatures in °C for D. yakuba (Y) and D. santomea (S) males. Pairs of individuals recorded simultaneously are indicated by lines. In all pairs but one, the D. yakuba individual is hotter than the D. santomea individual. This is confirmed by a Wilcoxon rank signed test showing that Y is significantly hotter than S (p-value p = 0.0012, V = 3 being the value of the test statistic). **p < 0.01.
