FIGURE 3 in A new species of Acroperus Baird, 1843 (Cladocera: Chydoridae) from Africa

FIGURE 3. Acroperus africanus sp. nov., from from Bahir-Dar Bay, Lake Tana, Ethiopia (type locality). A, Parthenogenetic female, general view. B–C, Head. D, Head keel. E, Head pores (lateral pore indicated by arrow). F–G, Labral keel. H, Inner part of posteroventral margin. I–K, Posteroventral angle. L–M, Ventral margin. N, Sculpture of valve. O–P, Postabdomen. Q, Claw. R, Antenna I. S, Antenna II. T, Fragment of antenna II and seta on the middle segment of endopod. U, Fragment of antenna II and seta on the proximal segment of endopod. V, Setules on the terminal setae of antenna II. Scale bars 0.1 mm for A, 0.05 mm for C–D, 0.03 mm for B, F, S, 0.01 mm for G, N–R, T–V, 0.005 mm for E, H–M.