Notes on the Dianous bimaculatus complex with description of a new species from China (Coleoptera, Staphylinidae) Author Tang, Liang Author Huang, Meng-Chi text Zootaxa 2018 2018-12-07 4527 4 560 568 journal article 27834 10.11646/zootaxa.4527.4.6 0517ac4e-b899-47a1-9747-ded2c8475d1d 1175-5326 2612509 6F6BF641-AC42-4A45-968E-4F69B2A99508 Dianous siamensis Rougemont, 1983 ( Figs. 5 , 34–40 ) Dianous siamensis Rougemont, 1983 : 13 ; Puthz, 2000 : 427 ; Puthz, 2016 : 751 . Material examined. China : Yunnan : 1♂ , Nabanhe N. R. , Nabancun , 7.I.2004 , Li & Tang leg. (SHNU); 5♂♂ 13♀♀ , Nabanhe N. R. , Manfei , 9.I.2004 , Li & Tang leg. ( SHNU ) ; 3♂♂ 1♀ , Nabanhe N. R. , Guomenshan , 5.I.2004 , Li & Tang leg. ( SHNU ) ; 1♂ 1♀ , Nabanhe N. R. , Manfei , 22°09′N , 100°41′E , alt. 620 m , 18.XI.2008 , Hu & Tang leg. ( SHNU ) ; 1♂ , Nabanhe N. R. , Guomenshan , 22°14′N , 100°36′E , alt. 1100 m , 21.XI.2008 , Hu & Tang leg. ( SHNU ) . Measurements. BL: 4.6–4.9 mm , FL: 2.6–2.8 mm . HW: 0.93–0.97 mm , PL: 0.76–0.81 mm , PW: 0.66–0.71 mm , EL: 1.12–1.18 mm , EW: 0.97–1.03 mm , SL: 0.97–1.03 mm . Head 0.91–0.96 times as wide as elytra, pronotum 1.11–1.16 times as long as wide, elytra 1.11–1.17 times as long as wide. Distribution. China ( Yunnan ), Myanmar , Thailand , Vietnam . Remarks. The species can be easily distinguished from other species of the complex by bicolor femora except D. bellulus and D. hajekianus , from latter two by smaller elytral spots and different shape of apex of aedeagal median lobe.