Thoressa astigmata, the southern spotted ace, is a butterfly belonging to the family Hesperiidae. The species was first described by Charles Swinhoe in 1890. It is endemic to the Western Ghats of India and is found in the states of Kerala, Tamil Nadu and Karnataka. Description Life history The larva has been recorded on Ochlandra talbotii and Ochlandra travancorica. Gallery References astigmata Butterflies of Asia Taxa named by Charles Swinhoe Butterflies described in 1890