中国网脉叶蝉属二新种记述(半翅目,叶蝉科,叶蝉亚科)

记述网脉叶蝉属KrisnaKirkaldy2新种,即盈江网脉叶蝉Krisnayin jiangensis sp.nov.和宽茎网脉叶蝉Krisna expansiva sp.nov..新种模式标本保存于贵州大学昆虫研究所.

Two New Species of Genus Krisna(Hemiptera, Cicadellidae, Iassinae)from China

The paper described two new species of the genus Krisna Kirkaldy from Yunnan Province, China, Krisna yingjiangensis sp. nov. and Krisna expansiva sp. nov.. The type specimens were deposited in the Institute of Entomology, Guizhou University（GUGC）.1 Krisna ying]iangensis sp. nov. （Figs. 1 - 7） Body length （ incl. tegm. ） ： ♂ 1 l. 2mm. This new species is similar to K. concave Li et Wang in appearance, however can be distinguished from the latter by 1 ） the crown apex angular, basal margin of face with one round hollow and a big black spot; 2）male eighth sternite with hind margin broadly rounded; 3 ）aedeagal shaft with broadly rounded at apex and ventral margin distinctly concave in lateral view; and 4） Characters of subgenital plate like sabre shape. Holotype： ♂ Yingjiang County, Yunnan Province, China, 15 June 2001, coll. by TIAN Ming-Yi. 2 Krisna expansiva sp. nov. （Figs. 8 - 15） Body length （ incl. tegm. ） ： ♂ 9.2 - 9.9mm. This new species is similar to K. rufimarginata Cai et He, however can be distinguished from the latter by 1 ） the male eighth sternite with hind margin medially slightly concave; 2） aedeagal shaft lon- ger and slender in lateral view; 3 ） apex with ridges and broadened in ventral view ; and 4） pygofer side wider and shorter, pygofer ventral process not spiculate in distal half. Holotype： ♂ , Tongbiguan, Yingjiang County, Yunnan Province, China, 20 July 2002, coll. by Li Zi-Zhong. Paratypes： 3 ♂♂ , same data as holotype; 1 ♂ , Tengchong County, Yunnan Province, China, 14 July 2002, coll. by Dai Ren-Huai.