Descriptions of two new Idiocerini leafhoppers of the genus (Hemiptera, Cicadellidae) from China.

Two new species of the leafhopper genus Baker are described from China: and , the latter recorded on a species of L. (Myricaceae) as its host plant. A key and checklist to species of the genus from China are provided and Huang & Maldonado-Capriles, 1992 is placed as a junior synonym of (Lethierry, 1889),

A new genus and species of Mileewini leafhoppers (Hemiptera, Cicadellidae, Mileewinae) from China, with a key to genera.

A new leafhopper genus and species, Yan & Yang, (Cicadellidae, Mileewinae, Mileewini) is described from Sichuan Province, China. Habitus images and figures of the male and female genitalia are provided together with a key to the genera of Mileewini from China.

The planthopper genus Spartidelphax, a new segregate of Nearctic Delphacodes (Hemiptera, Delphacidae).

The new genus Spartidelphax is described to house three species removed from the polyphyletic genus Delphacodes. The members of Spartidelphax are coastal species native to eastern North America, and probably feed exclusively on cordgrass (Poaceae, Spartina Schreb.).