FIGURE 10. Pentacoelum sinensis n in A new species of the genus Bothrioplana (Platyhelminthes: Bothrioplanida: Bothrioplanidae) and a new species of the genus Pentacoelum (Tricladida: Bdellouridae) from southern China

FIGURE 10. Pentacoelum sinensis n. sp.: reproduction process and egg. A–B. copulation (penises enter the vagina externa of each other. The arrows indicate the direction of the penises); C–D. egg (the egg expands within seconds after being laid and the diameter increases about five times. The soft shell appears in light yellow and becomes hard 2-3 hours later.) Scale bars: A- D=150 µm.