Erionota thrax

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Erionota thrax, the palm redeye[1] or the banana skipper, is a species of butterfly belonging to the family Hesperiidae. It is found from India,[1] 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.[2]

File:Starr 020813-0020 Musa sp..jpg
Erionota thrax caterpillar on a banana leaf (Musa sp.), Maui, Hawaii
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Rolled banana leaf caused by Erionota thrax
File:Erionota thrax palm redeye banana skipper 01.jpg
Erionota thrax on a banana flowerbud

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.[3][4]

Description

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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

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