| The present paper deals with six species of the genus Epotiocerus Matsumura from China,of which two species are new to science,i.e.E.rubber,sp.nov.,E.flavozona sp.nov.A key to species is provided.All the type specimens are kept in the Entomological Museum,Nothwest Sci-Tech University of Agriculture and Forestry.1.Epotiocerus flexuosus (Uhler)Otiocerus flexuosus Uhler，1896,Proc.United States Nat.Mus.19：283 Epotiocerus flexuosus，Matsmura，1914，Ann.Mus.Nat.Hungarici 12：300，Figs.14a-d Nicerta flexuosus，Muir，1915，Proc.Hawaiian Ent.Soc.3：123 Epotiocerus flexuosus，Schumacher，1915，Mitt.Zool.Mus.Betrlin 8：121-122 Epotiocerus flexuosus，Metcalf，1945，Smith Coll.Gen.Hemipt.4(4)：186 Epotiocerus flexuosus，Chou Io,Lu Jinsheng ,Huang Ju,Wang Sizheng 1985，Economic Insect Fauna of China Fasc.36（Homoptera Fulgoroidea）：52 Epotiocerus flexuosus，Yang Chongtu，1994,Derbidae of Taiwan (Homoptera：Fulgoroidea)：174-176，Figs.84a-jSpecimens examined：1♀，Lian County，Guangdong Province,21-Ⅹ-1962，Coll.Zheng Leyi and Cheng Hanhua；1♂，Jigong Mountai,Henan Province,16 Ⅷ 1990,Coll.Wang yinglun and Wang Meinan;3♀8♂,16 Ⅷ 1990,Jigong Mountai,Henan Province,Coll.Wang Yinglun and Li Haobin;9♀3,Jigong Mountai,Henan Province,17-Ⅷ-1990,Coll.Wang yinglun and Wang Meinan;1♀，Jigong Mountai,Henan Province,19-Ⅷ-1990,Coll.Wang yinglun and Wang Meinan;4♀1♂,Jigong Mountai,Henan Province,20-Ⅷ-1990,Coll.Wang yinglun and Wang Meinan.2.Epotiocerus rubipunctatus Chou et Wang Epotiocerus rubipunctatus Chou et Wang，1984，Entomotaxonomia 6（2-3）：191，Fig.1,a-b Epotiocerus rubipunctatus，Chou et,1985，Economic Insect Fauna of China Fasc.36（Homoptera：Fulgoroidea）：54，Fig.49B，Ba-Bc Specimens examined:2♀2♂,Menglun,Yunnan Province,21/30 Ⅳ-1974,Coll.Chou Io and Yuan Feng;1♂,Menglun,Yunnan Province,16-Ⅳ-1982,Coll.Wang Sumei and Zhou Jingruo;1♀,Menglun,Yunnan Province,18-Ⅳ-1982,Coll.Wang Sumei and Zhou Jingruo.3. Epotiocerus rubiundatus Chou et Wang Epotiocerus rubiundatus Chou et Wang 1985，Entomotaxonomia 7（1）：29，Fig.1,a-b Epotiocerus rubiundatus，Chou et，1985，Economic Insect Fauna of China Fasc.36（Homoptera：Fulgoroidea）：54，Fig.49A，Aa-Ac Specimens examined：1♂,Tanggong,Xizang Autonomous Region,2300m,13-Ⅵ-1978,Coll.Lifasheng;1♂,Tanggong,Xizang Autonomous Region,2300m,15-Ⅵ-1978,Coll.Li Fasheng;3♂,Tanggong,Xizang Autonomous Region,2 300 m 13-Ⅵ-1978,Coll.Lifasheng.4.Epotiocerus ruber,sp.n.(Fig.1) This new species is different from the all species of the genus Epotiocerus by the following characters：1) body red；2) pygorfer without medial ventral process；3) aedeagus with conico-acuminate process.Holotype:♂,Jinxiu,Guangxi Zhuang Autonomous Region,11-Ⅵ-1982,Coll.Li Fasheng 5.Epotiocerus flavozona,sp.n.(Fig.2)This nen species is similar to Epotiocerus ruber,sp.n.,but different from by the latter in the following characters：1) body relatively small；2) pronotum with yellow stripe；3) tegmen with three yellow stripes；4) pygorfer with medial ventral process；5) aedeagus bivalvular,every valvula with two process.Holotype:♂,Nada Hainan Province,9-Ⅻ-1974,Coll.Li Fasheng,Paratype:♀,Nada,Hainan Province,9-Ⅻ-1974,Coll.Li Fasheng. |
