Figure 6; "Image of Centrocestus formosanus; a. Drawing of cercaria structure b. Cercaria stained with 0.5% neutral red c. Redia stained with 0.5% neutral red d.–g. Images of Scanning Electronmicroscope Abbreviations: os – oral sucker, es – eye spot, p – pharynx, pg – penetration gland, vs – ventral sucker, eb – excretory bladder, ta – tail, df – dorsal finfold, ti – tip, re – redia, c – cercaria, b – body, sp – spine (scale a, b = 100 µm, c = 10 µm)."