Fig. 2
From: Sexual dimorphism and morphological integration in the orchid bee brain
Body-brain scaling relationship is shared between the sexes (A) Male E. dilemma illustrating how the intertegular distance (ITD), indicated as white line, was measured as a proxy of body size. Photo by Joseph Wilson. (B) The relationship between total brain size and body size follows an isometric scaling in both sexes, with females tending to be larger than males indicated by a slight sift along the x-axis and possess relatively larger brains indicated by the grade-shift in the y-axis.
