中文摘要：

记述采自贵州省贵阳森林公园和绥阳县宽阔水的鼻象蜡蝉属Saigona Matsumura 1新种,即囊突鼻象蜡蝉Saigona saccus sp.nov.。新种近似于瘤鼻象蜡蝉Saigona fulgoroides（Walker,1858）,主要区别在阳茎基的结构上。前者阳茎基宛如一套子包裹在阳茎外面;后者阳茎基从侧面看,端部背面有一背部延伸的叶状突起,腹面具有小的叶状突起。详细描述了新种的外部形态特征,绘制了雄虫鉴别特征图。模式标本保存在贵州大学昆虫研究所。

英文摘要：

A new species of the genus Saigona Matsumura,1910,i.e.Saigona saccus sp.nov.,collected from Guiyang Forest Park and Kuankuoshui of Suiyang county,Guizhou province,China,is described and illustrated.The type specimens are deposited in the Institute of Entomology,Guizhou University,China（IEGU）.Saigona saccus sp.nov.（Fig.1~11） Body length： ♂ 17.3~17.7 mm,♀ 17.6~18.3 mm.This new species is similar to Saigona fulgoroides（Walker,1858）,but can be easily distinguished from the latter by characters of aedeagus： phallobase with apical saccate membranous（in the latter,phallobase with apical,dorsal,membranous lobe produced dorsally in lateral view and apical,ventral,membranous lobe small and semi-globose in ventral view）.Holotype： ♂,Guiyang Forest Park,Guiyang city,Guizhou province,25 Jun.2006,by Zhang Pei;Paratypes 3 ♀,data same as holotype;2 ♂♂,3 ♀♀,Kuankuoshui,Suiyang county,Guizhou province,5 Jun.2010,by Zhang Pei;2 ♂♂,4 ♀♀,Kuankuoshui,Suiyang county,Guizhou province,3 Jun.2010,by Zhang Bin;1♀,Kuankuoshui,Suiyang county,Guizhou province,5 Jun.2010,by Wang Ying-juan.Etymology： The species name is derived from the Hellenic word ＂saccus＂,referring to phallobase with apical saccate membranous.