Image of Transversotrema laruei; a. Drawing of cercaria structure b. Cercaria stained with 0.5% neutral red c. Redia stained with 0.5% neutral red d.–f. Images of Scanning Electronmicroscope Abbreviations: gp – genital pore, es – eye spot, m – mouth, ov – ovary, vs – ventral sucker, te – testes, eb – excretory bladder, i – intestine, ap – appendages, ta – tail, fu – furca, p – pharynx, re – redia, c – cercaria (scale a, b = 100 µm, c = 20 µm).