New species of the leafhopper genera Kusala Dworakowska and Diomma Motschulsky (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini) with description of a new subgenus

Generic characteristics of the leafhopper genus Kusala Dworakowska are revised, and a new subgenus Scodela is established. A species checklist of the Kusala is provided and three new species are added: Kusala ( Kusala ) viraktamathi , K . ( Scodela ) directa and K . ( S .) sinuata spp. nov.. The related genus Diomma Motschulsky is also redescribed and a new species is described: Diomma ( Diomma ) sangzhiensis sp. nov..