Fig. 14 Sexual dimorphism in stolons. A–E Female stolons, dorsal view. F–I Male stolons; arrows in F point to the first three segments, the only ones that contain sperm. G–I Stolons attached to the stalk, detail of pygidium in regeneration on the ventral side before detachment of the stolon (arrow in G), ventral view. H Light microscope image showing region of stolon head and pygidium regeneration, ventral view. I Stolon attached, dorsal view. Scale bars: 500 µm A, D, E, F, 100 µm B, G, H, and 200 µm C, I