Spialia dromus, the forest sandman, dromus grizzled skipper or large grizzled skipper, is a butterfly of the Hesperiidae family. It is found in tropical Africa. In South Africa it is found along the eastern Cape coast to KwaZulu-Natal into Swaziland. It is also present in Mpumalanga and the Limpopo Province into northern Gauteng and the extreme north-west of the North West Province. The wingspan is 23–29 mm for males and 29–32 mm for females. Adults are on wing year round but are more common in warmer months.