肖点耳叶蝉属二新种(同翅目:叶蝉科:耳叶蝉亚科)

Two new species of the genus Midoria Kato from China (Homoptera:Cicadellidae:Ledrinae)

记述了在中国云南省和贵州省采集的肖点耳叶蝉属MidoriaKato二新种 :何氏肖点耳叶蝉M .hei新种和环突肖点耳叶蝉M .annulata新种 ,并对属征补充描记 ,附分种检索表。模式标本保存在安徽农业大学昆虫标本室。

This paper deals with two new species of the genus Midoria Kato, M.hei sp.nov.from Yunnan and M.annulata sp.nov.from Guizhou of China.A key to species is provided.Type specimens are deposited in the Insect Collection of Anhui Agricultural University. 1 Midoria hei Cai et Jiang,sp.nov.(Fig.1～8) This species can be readily distinguished from other known species of the genus by the crown longer than half of interocular width,and with a straightly short lateral margin before eyes,and by the structure of male genitalia. ♂:Length 7\^0 mm,length incl.tegm.7\^3 mm;width of head 2\^0 mm,length of crown 1\^1 mm;pronotal width 2\^2 mm. Holotype:♂,Yunnan:Mt.Yuchongshan,Kunming,23 Ⅵ 1974,coll.Wei Chongsheng. 2\ Midoria annulata Cai et Jiang,sp.nov.(Fig.9～17) This species is similar to M.capitata Kato,but easily separable from it by the lighter coloration and by the middle length of crown two\|thirds as long as pronotal length. Length:♂ 5\^7 mm,♀ 7\^1 mm;length incl.tegm.:♂ 6\^1～6\^2 mm,♀7\^5 mm;width of head:♂ 1\^8 mm,♀2\^1 mm;length of crown:♂ 0\^7 mm,♀1\^1 mm;pronotal width:♂2\^0 mm,♀2\^2 mm. Holotype:♂,Guizhou:Huaxi,Guiyang,9 Ⅴ 1984,coll.Li Zizhong,paratypes 2♂♂1♀,same as holotype. Host plant:Oak( Quercus sp.).