Erionota thrax, the palm redeye or the banana skipper, is a species of butterfly belonging to the family Hesperiidae. It is found from India, through south-eastern Asia to Papua New Guinea. In the north it is found up to southern China. It is an introduced species on various Pacific islands, including the Solomon Islands and Hawaii. It has also been recorded from Mauritius. The wingspan is 70–77 mm. There are multiple generations per year. The larvae feed on the leaves of Musa species, especially Musa textilis. It has also been recorded on Cocos nucifera and other palm species. The rolls in banana leaves that E. thrax larvae create when feeding have been used as overwintering shelters for wasp species Polistes japonicus in Okinawa, Japan. Description Subspecies Erionota thrax thrax (Indonesia) Erionota thrax mindana Evans, 1941 (southern and central Philippines) Erionota thrax hasdrubal Fruhstorfer, 1910 (northern Moluccas) Erionota thrax alexandra De Long et Treadaway, 1993 (Luzon, northern Philippines) References Erionotini Butterflies of Asia Butterflies of Oceania Butterflies of Indochina Butterflies of Indonesia Butterflies of Malaysia Butterflies of Singapore Lepidoptera of New Guinea Lepidoptera of Papua New Guinea Lepidoptera of the Philippines Agricultural pest insects Butterflies described in 1767 Taxa named by Carl Linnaeus