A new species of the genus Dentatissus Chen, Zhang & Chang (Hemiptera, Fulgoroidea, Issidae) from the Korean Peninsula, with a key to the genus.

A new species of the family Issidae (Hemiptera, Auchenorrhyncha, Fulgoroidea), Dentatissuslongispinosus sp. nov. , is described from the Korean Peninsula. Morphological information is presented with photographs based on male and female specimens. A key to species of the genus Dentatissus is also provided.