Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species Author Yang, Yuxia Author Ge, Shujuan Author Yang, Xingke Author Liu, Haoyu text European Journal of Taxonomy 2021 2021-06-25 757 1 1 36 http://dx.doi.org/10.5852/ejt.2021.757.1409 journal article 5961 10.5852/ejt.2021.757.1409 6c11804f-a747-4514-b764-8e068ddf0f16 2118-9773 5033100 171E0461-2EFC-4E53-8FC3-D902A1AE26DA Stenothemus dundai Švihla, 2004 Figs 1E , 3D , 4D Stenothemus dundai Švihla, 2004: 199 , figs 153‒154, 212. Material examined Holotype CHINA • ♂ ; [p] “CHINA-SICHUAN pr. // KANGDING distr. 16‒19.7. // MUGEZO lake 4500 m // R. DUNDA lgt. 1992”, “HOLOTYPUS // Stenothemus // dundai sp. n. // V. Švihla det. 2003”; NMPC . Additional material CHINA ‒ Gansu • 1 ♂ , 2 ♀♀ ; Wenxian , Qiujiaba , Shiyaziliang ; 3200‒3400 m a.s.l. ; 30 Jun. 1998 ; J. Yao leg.; IZAS • 1 ♂ ; same collection data as for preceding; J. Chen leg.; IZAS . ‒ Qinghai • 1 ♂ ; Yushu , Gelong ; 3700 m a.s.l. ; 10 Jul. 1964 ; S.Y. Wang leg.; IZAS • 2 ♂♂ ; Yushu , Gelong ; 4200 m a.s.l. ; 13 Jul. 1964 ; S.Y. Wang leg.; IZAS . ‒ Shaanxi • 2 ♀♀ ; Liuba , Dahongqu ; 2500 m a.s.l. ; 20 Jul. 1998 ; J. Chen leg.; IZAS . ‒ Sichuan • 1 ♀ ; N Jiulong ; 3735 m a.s.l. ; 8‒14 Jul. 2001 ; X.D. Yu and H.Z. Zhou leg.; IZAS • 2 ♂♂ , 1 ♀ ; N Jiulong , Lengshan Forest ; 3825 m a.s.l. ; 11‒14 Jul. 2001 ; X.D. Yu and H.Z. Zhou leg.; IZAS • 1 ♂ ; same collection data as for preceding; IZAS • 7 ♂♂ ; Luhuo ; 11‒20 Aug. 2006 ; F.M. Shi leg.; MHBU • 1 ♂ , 1 ♀ ; Jiangyuan , Shuajingsi ; 27‒28 Jul. 2009 ; Z.H. Gao and Y.P. Niu leg.; MHBU • 1 ♂ ; Maerkang-Daoping ; 3230 m a.s.l. ; 12 Jul. 1961 ; G.F. Li leg.; IZAS . ‒ Xizang • 1 ♂ ; Zhikang , Qoidȇn ; 4100 m a.s.l. ; 15‒16 Jul. 2008 ; G.D. Ren leg.; MHBU . ‒ Yunnan • 2 ♂♂ ; Xiaozhongdian ; 3800 m a.s.l. ; 1 Aug. 1984 ; S.Y. Wang leg.; IZAS . Descriptive notes Body length (both sexes): 5.5‒7.0 mm; width: 1.1‒1.5 mm . Female ABDOMINAL STERNITE VIII ( Fig. 3D ). Obliquely narrowed posteriorly, lateroapical angles widely triangular, posterior margin nearly straight and feebly emarginate in middle. INTERNAL ORGAN OF REPRODUCTIVE SYSTEM ( Fig. 4D ). Vagina elongate, with median oviduct situated at ventroapical part, vagina abruptly narrowed in apical part and extended into a short duct which diverticulum and spermathecal duct are arising from; diverticulum relatively short, about 0.36 times adult body length, evenly thinned apically, slender tube-shaped and spiral; spermathecal duct slightly long but much shorter than diverticulum; spermatheca slender tube-shaped and spiral, obviously thinner than spermathecal duct and much longer than diverticulum, with basal part extended into a short tube, where accessory gland opens. Accessory gland thin and slightly shorter than spermatheca. Distribution China ( Gansu , Qinghai , Shaanxi , Sichuan , Yunnan , Xizang ). New records for Qinghai , Shaanxi , Yunnan . Remarks The female reproductive system is illustrated and described for the first time.