Fig. 4 in Elmidae of Sarawak: the genus Potamophilus Germar, 1811, with a description of P. kelabitensis sp. nov. (Insecta: Coleoptera)

Fig. 4. Potamophilus kelabitensis sp. nov. A. Ovipositor, ventral aspect. B. Distal portion of ovipositor, ventral aspect. C. Male segment IX with the spiculum gastrale, ventral aspect. D. Male sternite VIII, ventral aspect. E. Female sternite VIII, ventral aspect. Scale bars = 0.1 mm; A = a; B–E = b. Specimens: A–B, E = female paratype (CKB); C–D = male holotype (CFDS).