What is "leptalina"

Leptalina is a genus of skippers in the family Hesperiidae. It contains only one species, Leptalina unicolor, which is found in eastern China, Korea, Japan and the Russian Far East ( Amur). The habitat consists of humid meadows.

Adults are on wing from June to July.

The larvae feed on various grasses, including Miscanthus sacchariflorus, Setaria and Phragmites species.