FIGURE 4 in Systematics of Potamanthodes nanchangi Hsu, 1936 (Ephemeroptera: Potamanthidae)

FIGURE 4. Male and female structures of Potamanthodes nanchangi Hsu, 1936: A, Head of male; B, Head of female; C, Forewing; D, Hindwing; E–F, Genitalia (dorsal view); G, Genitalia (ventral view); H, Abdominal segments VII–X of female imago (lateral view); I, Abdominal segments VII–X of female imago (ventral view).