Quwatanabius

Key to the species of Quwatanabius 1 Elytra short, at suture distinctly shorter than pronotum at midline; abdomen with tergite 7 lacking whitish apical seam of pali- sade fringe..................................................................... Qu. chiaw (Smetana, 1995) - Elytra long, at suture vaguely longer than pronotum at midline; abdomen with tergite 7 with whitish apical seam of palisade fringe............................................................................................... 2 2 Elytra reddish brown at basal third, remaining part dark brown.......................... Qu. flavicornis (Sharp, 1889) - Elytra entirely dark brown............................................................................. 3 3 Pronotum entirely dark brown; male sternite 9 (Fig. 3) slightly emarginate medio-apically........... Qu. yanbin i sp. nov. - Pronotal disc reddish brown; male sternite 9 (Fig. 11) narrowly arcuate apically............... Qu. zhejiangensis sp. nov.