F in The freshwater prawns of the genus Macrobrachium Bate, 1868, of Thailand (Crustacea: Decapoda: Palaemonidae)

F. 9. Macrobrachium thai, sp. nov. (W, cl 11.5 mm, paratype, CU 1997–99a, Nong Khai, north-east Thailand, 14 December 1990). (A) Cephalothorax, lateral view; (B) cephalothorax, dorsal view; (C) epistome; (D) first two abdominal sterna with transverse ridge, with median processes; (E) telson; (F) scaphocerite; (G) first pereiopod; (H) second pereiopod; (I) fingers of second pereiopod; (J) third pereiopod; (K) propodus and dactylus of third pereiopod; (L) movable spine of uropodal diaeresis. Scales: (A, B) 5 mm; (H) 3 mm; (D–G, I–K) 2 mm; (C, L) 0.5 mm.