袖弄蝶（学名：Notocrypta curvifascia），又名羌黄蝶、曲纹袖弄蝶、黑弄蝶、黑挵蝶，为弄蝶科袖弄蝶属下的一个种。

Notocrypta curvifascia, commonly known as the Restricted Demon, is a butterfly belonging to the family Hesperiidae. N. curvifascia is commonly found in many regions of temperate and tropical East Asia, Indonesia, and the Indian subcontinent, wherever its preferred larval host plant, Alpinia speciosa can be found.