Amemboa burmensis J. Polhemus & Andersen 1984

Amemboa burmensis J. Polhemus & Andersen, 1984 Figs 2 D, 3 C, 4 C, G, 6 C, D, 7 C, 8 C, 9 C, 10 C, 11 C, 12 D, 13, 14, 15 B, 18 Material examined. 5 ♂♂, 6 ♀♀ (apterous), China, Yunnan Province, De-hong Autonomous Prefecture, Na-bang Village; 24 ° 42 ' 5.8 " N, 97 ° 34 ' 25.0 " E; 207 m a. s. l.; 15 Apr. 2023; Mu Qiao, Ze-zhong Jin and Zi-he Li leg. (NKUM). Diagnosis. Color pattern as shown in Figs 2 D, 3 C, 4 C, G, 12 D, 13, 14 A – F. Males: profemur moderately incrassate; ventral side of the profemur with two tufts of dark setae on apical 1 / 2 and an additional elongate crest of dark setae on basal 1 / 2 (Figs 6 C, 14 G) (sometimes raised, as in Figs 6 D, 14 H); protibia slightly curved and with a tumescence on basal 1 / 3 (Figs 6 C, 14 G); abdominal segment VIII relatively long (Fig. 7 C); pygophore posteriorly with a short knob-like median process, and with a pair of blunt processes on both sides of the median process in ventral view (Figs 8 C, 9 C, 14 I, J); median process of pygophore relatively broad in lateral view (Figs 10 C, 11 C, 14 K, L). Lateral arm of proctiger relatively straight in ventral view (Figs 8 C, 14 I), distinctly broadened subapically in lateral view (Figs 10 C, 14 K), forming a blunt process (Figs 10 C, 14 K). Comparative notes. Amemboa burmensis is most similar to A. kumari (Distant, 1910) and A. cambodiana D. Polhemus, 2017, see comparative notes in Polhemus and Andersen (1984) and Polhemus (2017). Distribution. China: Yunnan (Fig. 18). Myanmar: Shigbwiyang (Polhemus and Andersen 1984). Habitat. We found A. burmensis inhabiting stagnant pools at the edges of a wide river (Fig. 15 B), located near the lower altitudes of the forest in Tong-bi-guan, Yunnan. Remarks. In the original description of A. burmensis, Polhemus and Andersen (1984) described the profemur of males as follows: “ Fore femur moderately incrassate in basal 1 / 2 (fig. 36), with an elongate patch of short dark hairs on ventral side ”. However, among the specimens collected from China, this elongate tuft of setae is either more distinct than the original description (Fig. 6 C) or nearly absent (Fig. 6 D). We speculate that this may be caused by wear of the setae, or there may be two phenotypes of this species.