Abstract
Four new species of Delphacidae (Hemiptera) are described from China, viz., Hadeodelphax afurculus Guo & Liang, sp. nov.; Tropidocephala prolixa Guo & Liang, sp. nov.; Arcofaciella obflexa Guo & Liang, sp. nov. and Nilaparvata terracefrons Guo & Liang, sp. nov. Smicrotatodelphax maritimus Yang, 1989 is newly recorded in mainland of China. All specimens studied are deposited in the insect collection of the Institute of Zoology, Chinese Academy of Sciences, Beijing, China.
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