Morphology of hermaphroditic and amphimictic female. A: Head of hermaphroditic female, B: Vulva pattern of hermaphroditic female, C: Tail of amphimictic female, D: Anterior of amphimictic female, E: Lateral view of vulva of amphimictic female, F: Lateral field at mid body of hermaphroditic female with four ridges, G Lateral field at mid body of hermaphroditic female with four ridges. Scale bars: A, B, F and G 5 μm, C 30 μm, D 10 μm, E 20 μm.