Rhagonycha tibetana Svihla 2002

Rhagonycha (s.str.) tibetana Švihla, 2002 (Figs 5G–I, 6B, 7B, 8B, 39) Rhagonycha tibetana Švihla, 2002: 305, figs 1–3. Type material examined. HOLOTYPE ♂ (NMPC), [p] “ CHINA, SE – TIBET, ZAYU Co., / Salween side of HENGDUAN Shan / SW of MEILIXUE Shan, 2500‒3800m / 28°16-21'N 98°32‒41'E 5.‒10.6. 99/ L. & R. BUSINSKÝ legt.”, [p] “ HOLOTYPUS / Rhagonycha / tibetana sp. n. / det. V. Švihla, 2002 ”. Other material examined. CHINA, Yunnan: 2♂♂, 2♀♀ (MHBU), Dimalou Village, 5.VII.2019, leg. Y.D. Chen & Q.L. Lei. Descriptive notes. Male (Fig. 6B). Aedeagus moderately swollen laterally near middle (Fig. 5G, H); ventral processes of parameres abruptly thinned apically near bases, with apices widened and rounded, bent to each other in ventral view (Fig. 5G), wide and almost straight in lateral view (Fig. 5I); conjoint dorsal plate of parameres nearly as long as ventral processes (Fig. 5I), with apical margin moderately deeply and roundly emarginate in middle, lateral margins feebly converging apically, latero-apical angles truncate in dorsal view (Fig. 5H), and feebly inclined ventrally in lateral view (Fig. 5I); the emargination between conjoint dorsal plate and ventral process about 1/3 length of aedeagus. Female. Internal organ of reproductive system (Fig. 7B): vagina stout and abruptly thinned at ventroapical portion into a long and thin tube, where diverticulum and spermathecal duct arising separately; diverticulum moderately long and spiral, evenly thin along the whole length; spermathecal duct very short and about 1/8 length of apical tube of vagina; spermatheca provided with a spiral tube, progressively thinned apically and longer than diverticulum; accessory gland long, about twice longer than spermatheca. Abdominal sternite VIII (Fig. 8B) strongly narrowed posteriorly, widely rounded at latero-apical angles, and trapezodinally protuberant in middle of posterior margin. Destribution (Fig. 39). China (Xizang, Yunnan). Remarks. The aedeagus of this species was illustrated by Švihla (2002). Here, the female reproductive system and abdominal sternite VIII are illustrated and described for the first time.