External Femaie Genitalia And Ultrastructure Of Post-tibial Spur Of Delphacidae(Hemiptera:fulgoroidea)

The present thesis mainly deals with the morphology of external female genitalia and ultrastructre of post-tibial spur of the family Delphacidae(Hemiptera:Fulgoroidea).The research history and present situation both in China and abroad are reviewed,its material and methods,economic importance are introduced.In the morphology of external female genitalia part,50 species of 30 genera within 4 subfamilies in this famliy are studied,and the configurations of external female genitalia of 50 species are illustrated,keys to these taxa based on the characters of external female genitalia are given.In the ultrastructre of post-tibial spur section,19 species of 18 genera within 4 subfamilies in Delphacidae are observed,photos of ultrastructre of these taxa are given.At the end of the paper,references are provided.