FIGURE 4 in Revision of Benedeniella Johnston, 1929 (Monogenea: Capsalidae), its assignment to Entobdellinae Bychowsky, 1957 and comments on subfamilial composition

FIGURE 4. Scanning electron micrographs of dorsal region of juvenile specimen of Benedeniella macrocolpa (Lühe, 1906) Yamaguti, 1963. A. Anterior region of specimen showing small tapering papillae resembling horns (h) dorsal to junction of body and anterior attachment organs. The position of the common genital pore (c) and the excretory papillae (ep) are also indicated. B. Haptor and posterior region of body proper showing pair of conical structures (co) near peduncle. Note marginal valve (mv). C. Enlargement of Figure 4B showing pair of conical structures dorsal to haptor. Scale bars: A, 250 µm; B, 250 µm; C, 100 µm