Three new species of the leafhopper genus Dayus Mahmood from China (Hemiptera, Cicadellidae, Typhlocybinae, Empoascini) Author Yu, Xiaofei Author Yang, Maofa text ZooKeys 2013 355 1 8 http://dx.doi.org/10.3897/zookeys.355.6277 journal article http://dx.doi.org/10.3897/zookeys.355.6277 1313-2970-355-1 9412C02F64334090BF1718A280B90782 9412C02F64334090BF1718A280B90782 Dayus bifurcatus Yu & Yang sp. n. Figures 1-9 Description. Length, male 3.0 mm. General color reddish to reddish brown. Both sides of coronal suture with a brownish patch. Male ventral abdominal apodemes reaching segment 5 (Fig. 4). Male pygofer with dorsoposterior margin sinuate; pygofer appendage with dorsal margin sinuate in lateral view, tapering to apex (Fig. 3). Subgenital plate about twice as broad basally than distally, with three lateral macrosetae in basal group, an oblique line of 14 macrosetae and several long fine setae subbasally to apex and ca.12 short microsetae at outer margin (Fig. 5). Paramere as in Fig. 6. Aedeagus shaft long and narrow, slightly depressed dorsoventrally, similar in width throughout length in ventral view, with a pair of short bifurcate apical processes (Figs 7, 8). Anal tube process short (Fig. 9). Type material. Holotype male. China: Zhejiang Province, Fengyang mountain, 30 July 2009, coll. Junqiang Ni. Etymology. The new species name alludes to the pair of apical bifurcate aedeagal processes. Remarks. The new species can be distinguished mainly by the shape of the aedeagal shaft and its process configuration as noted in the description.