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Fig. 10 | BMC Evolutionary Biology

Fig. 10

From: Drosophila pachea asymmetric lobes are part of a grasping device and stabilize one-sided mating

Fig. 10

Measurement of the microscale angle between male epandrium and female abdomen during copulation. SEM of a D. pachea mating complex (37-fold magnification) in ventral view (Fig. 5a). The angle between the male and the female was measured as the angle between a line along the dorso-ventral axis of symmetry of the male’s epandrium (red) and a second line connecting the mid-points of the female’s sternites (yellow). Scale bar is 100 μm

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