Erionota thrax

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Palm redeye
Erionota thrax.jpg
Erionota thrax1.jpg
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Hesperiidae
Genus: Erionota
Species:
E. thrax
Binomial name
Erionota thrax
(Linnaeus, 1767)
Synonyms
  • Papilio thraxLinnaeus, 1767

Erionota thrax, the palm redeye [1] or the banana skipper, is a 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]

Contents

Erionota thrax caterpillar on a banana leaf (Musa sp.), Maui, Hawaii Starr 020813-0020 Musa sp..jpg
Erionota thrax caterpillar on a banana leaf (Musa sp.), Maui, Hawaii
Rolled banana leaf caused by Erionota thrax Starr 020813-0021 Musa sp..jpg
Rolled banana leaf caused by Erionota thrax
Erionota thrax_palm redeye__banana skipper on a banana flowerbud Erionota thrax palm redeye banana skipper 01.jpg
Erionota thrax_palm redeye__banana skipper 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

Male and female. Wings above chocolate-brown; anterior wings with three discal pale ochraceous spots, situate one crossing cell, another beneath cell and between the two lower median nervules, and the third and smallest between the first and second median nervules; posterior wings with the fringe greyish-ochraceous. Wings beneath paler than above; posterior wings with a discal, rounded, macular, darker fascia. Body and legs more or less concolorous with wings.

Subspecies

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References

  1. 1 2 R.K., Varshney; Smetacek, Peter (2015). A Synoptic Catalogue of the Butterflies of India. New Delhi: Butterfly Research Centre, Bhimtal & Indinov Publishing, New Delhi. p. 54. doi:10.13140/RG.2.1.3966.2164. ISBN   978-81-929826-4-9.
  2. Afrotropical Butterflies: Hesperiidae - Subfamily Hesperiinae
  3. The Banana Skipper's Leaf Scroll: A New Overwintering Site for the Okinawan Paper Wasp, Polistes japonicus / Yosiaki ITO and Hiroaki NAKAMORI
  4. Biological control of the banana skipper, Pelopidas thrax (Linnaeus) (Lepidoptera; Hesperiidae) in Hawaii./Mau, R. F. L.; Murai, K.; Kumashiro, B.; Teramoto, K.
  5. Watson, E. Y. 1891. Hesperiidae Indicae: descriptions of the Hesperiidae of India, Burmah and Ceylon. Madras.