Hyarotis adrastus, the tree flitter, is a butterfly belonging to the family Hesperiidae found in South Asia and Southeast Asia. Description Distribution Bengal. (Moore in P. Z. S.) Recorded from Ceylon (Hutchison, Wade, Mackwood); Andamans, Cachar (Wood-Mason and de Nicéville); Sikkim (de Nicéville; Elwes); Calcutta (de Nicéville); Kumaon (Doherty); Kangra, N.-W. Himalayas (Moore) Orissa (Taylor); Nilgiris (Hampson).Burma, Andamans, Thailand, Laos, Vietnam, Hainan, Hong Kong, Malaysia, Tioman, Singapore, Borneo, Sumatra, Java, Palawan, Philippines. References Hesperiinae Butterflies of Asia Butterflies of Singapore Butterflies of Indochina Taxa named by Pieter Cramer