耳时蝉属四新种（同翅目：耳叶蝉科）

FOUR NEW SPECIES OF THE GENUS LEDRA (HOMOPTERA:LEDRIDAE)

本文记述耳叶蝉科耳叶蝉属四新种：１．浅斑耳叶蝉Ｌｅｄｒａｐａｌｌｉｄｅｓｐ．ｎｏｖ，２．片脊耳叶蝉Ｌｅｄｒａｌａｍｅｌｌａｓｐ．ｎｏｖ，３．黑纹耳叶蝉Ｌｅｄｒａｎｉｇｒｏｌｉｎｅａｔａｓｐ．ｎｏｖ，４．明冠耳叶蝉Ｌｅｄｒａｈｙａｌｉｎａｓｐ．ｎｏｖ．．标本分别采自我国西藏、云南及安徽省．模式标本保存于安徽农学院．

The present paper deals with four new species of the genus Ledra Fabricius,colleCted from Xizang, Yunnan and Anhui Provinces, China. The type specimensare deposited in the Anhui Agricultural College.