Aeromachus is a genus of grass skippers in the family Hesperiidae. The species are known by the common name of scrub hoppers. They are found in the eastern Palearctic and the Indomalayan ecozone. Club of antenna of medium thickness, with a short, recurved tip. The second segment of the palpus erect, the third porrect (stretched forward). Vein 5 of forewing midway between 4 and 6. The males have usually a linear stigma on the forewing which extends from vein 3 to 1.