Four new species of Nazeris Fauvel in Guangxi, China (Coleoptera, Staphylinidae, Paederinae) Author Li, Li-Zhen text Zootaxa 2017 2017-08-29 4312 2 333 342 journal article 32268 10.11646/zootaxa.4312.2.8 aaf46e46-0638-46fa-aea2-fe501b020c96 1175-5326 852914 F31F3659-337A-4A1B-8C69-Bf618D439Bdd Key to species of Nazeris in Guangxi , China 1 Head with non-umbilicate punctation ( Fig. 15 )........................................... N. alatus Hu & Li , sp. n. - Head with umbilicate punctation..........................................................................2 2 Abdomen with fine microsculpture on all tergites........................................... N. qini Hu & Li, 2012 - Abdomen lacking microsculpture.........................................................................3 3 Body reddish brown, less than 6.0 mm.....................................................................4 - Body dark brown, more than 6.4 mm .....................................................................10 4 Dorso-lateral apophyses of aedeagus extending to the same level as or only slightly beyond apex of the median lobe....... 5 - Dorso-lateral apophyses of aedeagus extending much beyond apex of median lobe..................................6 5 Ventral process of aedeagus narrow, constricted to sharp apex in ventral view ( Hu et al. 2012 : 36, Fig. 4 ).............................................................................................. N. dayaoensis Hu & Li, 2012 - Ventral process of aedeagus conspicuously broad, with round apex in ventral view ( Assing 2016: 307, Fig. 11 )............ ............................................................................... N. latilobatus Assing, 2016 6 Ventral process of aedeagus nearly triangular, with narrow apex in ventral view ( Assing 2016: 309, Fig. 16 )................................................................................................ N. obtortus Assing, 2016 - Ventral process of aedeagus broad, with wide apex in ventral view...............................................7 7 Ventral process of aedeagus provided with a pair of apicad narrow processes on dorsal side of apex ( Hu et al. 2012 : 38, Fig. 12 ) N. luoi Hu & Li, 2012 - Ventral process of aedeagus lacking processes near apex.......................................................8 8 Ventral process of aedeagus with round apex in ventral view and with a pair of round basal laminae ventrally ( Hu et al. 2013 : 87, Fig. 4 ).................................................................. N. damingshanus Hu & Li, 2013 - Ventral process of aedeagus with truncate apex in ventral view and with a pair of thin basal laminae ventrally............9 9 Dorso-lateral apophyses of aedeagus roundly widened at apex in ventral view ( Fig. 13 )..... N. huapingensis Hu & Li , sp. n. - Dorso-lateral apophyses of aedeagus narrowed at apex in ventral view ( Hu et al. 2012 : 39, Fig. 16 ).... N. tani Hu & Li, 2012 10 Male sternite VII with small semi-circular emargination in middle of posterior margin ( Hu et al. 2012 : 41, Fig. 26 )....................................................................................... N. megalobus Hu & Li, 2012 - Male sternite VII lacking emargination in middle of posterior margin............................................ 11 11 Dorso-lateral apophyses of aedeagus extending beyond apex of ventral process ( Fig. 28 )...... N. chenyanae Hu & Li , sp. n. - Dorso-lateral apophyses of aedeagus not reaching apex of ventral process........................................12 12 Dorso-lateral apophysis of aedeagus greatly expanded in apical half ( Hu et al. 2012 : 42, Fig. 34)... N. grandis Hu & Li, 2012 - Dorso-lateral apophysis of aedeagus slender, not expanded in apical half.........................................13 13 Ventral process of aedeagus extremely elongate, about twice as long as dorso-lateral apophysis ( Hu et al. 2013 : 88, Fig. 10 )................................................................................ N. longilobus Hu & Li, 2013 - Ventral process of aedeagus not extremely elongate..........................................................14 14 Apex of ventral process of aedeagus divided into two straight branches in ventral view ( Fig. 23 ).... N. exilis Hu & Li , sp. n. - Ventral process of aedeagus with round apex ( Assing 2016: 307, Fig. 4 )..................... N. bihamatus Assing, 2016