Fig. 1
From: Female genitalia can evolve more rapidly and divergently than male genitalia
Shape analysis. An example of the application of outlines to the proximal phalobase and distal parameres of the aedeagus (a, b), the pygidium (c, d) and the foretibia (e, f) of Onthophagus capella. Scale bar = 1 mm. pr parameres (note the sclerotization of the parameres relative the rest of the distal aedeagus segment), pb phalobase, gp genital pit, inv internal invagination of the pygidium
