Biology:Tapena thwaitesi

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Short description: Species of butterfly

Black angle
Golden angle.JPG
Scientific classification edit
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Hesperiidae
Genus: Tapena
Species:
T. thwaitesi
Binomial name
Tapena thwaitesi
(Moore, 1881)[1][2]

Tapena thwaitesi,[3] the black angle, is a species of butterfly belonging to the family Hesperiidae found in Indomalayan realm.[4][5][6][7] The species was described by Frederic Moore in 1881 and is named after G. H. K. Thwaites, the director of the botanical garden at Peradeniya, Sri Lanka between 1849 and 1880.[8][9][10]

Description

Male has the upperside dark purple brown, with blackish outer margins and indistinct discal transverse band of spots; forewing with two small translucent white spots on the costa near the apex. Underside dark purple brown.[11]

Female has the upper and underside greyish purple brown, transverse band of spots and outer border dark purple brown; forewing with three small semi-diaphanous white subapical spots, the lowest transversely narrow, two spots also at end of the cell, the upper one very slender, and two spots on the disc, each series being bordered by the dark band; hindwing with a semi-diaphanous spot at end of the cell.[11]

Subspecies

Two subspecies are classified under Tapena thwaitesi, they are:

  • T. t. bornea Evans, 1941 - southern Vietnam, Thailand, Langkawi, Malay Peninsula, Borneo, Sumatra, Palawan[6]
  • T. t. minuscula Elwes & Edwards, 1897 - Myanmar, Thailand, Laos[7]

Gallery

  • Dry-season form

  • Wet-season form

References

  1. ↑ Card for Tapena thwaitesi in LepIndex. Accessed 12 October 2007.
  2. ↑ Moore, Lep. Cey., vol. I, p. 181, pi. 67.
  3. ↑ Marrku Savela's Website on Lepidoptera. Page on genus Tapena.
  4. ↑ R.K., Varshney; Smetacek, Peter (2015). A Synoptic Catalogue of the Butterflies of India. New Delhi: Butterfly Research Centre, Bhimtal & Indinov Publishing, New Delhi. pp. 28. doi:10.13140/RG.2.1.3966.2164. ISBN 978-81-929826-4-9. https://www.researchgate.net/publication/287980260. 
  5. ↑ TOL web page on genus Tapena thwaitesi
  6. ↑ 6.0 6.1 Y. Inayoshi (1996–2014). "Tapena thwaitesi bornea Evans,1931". A Check List of Butterflies in Indo-China. http://yutaka.it-n.jp/hes/90580020.html. 
  7. ↑ 7.0 7.1 Y. Inayoshi (1996–2014). "Tapena thwaitesi minuscula Elwes & Edwards,1897". A Check List of Butterflies in Indo-China. http://yutaka.it-n.jp/hes/90580010.html. 
  8. ↑ Moore, Frederic (1880). The Lepidoptera of Ceylon. Vol. I. London: L. Reeve & co.. pp. 181. https://archive.org/stream/lepidopteraofcey01moor#page/181/mode/1up. 
  9. ↑ W. H., Evans (1949). A Catalogue of the Hesperiidae from Europe, Asia, and Australia in the British Museum. London: British Museum (Natural History). Department of Entomology. pp. 109. https://www.biodiversitylibrary.org/item/187283#page/133/mode/1up. 
  10. ↑ This article incorporates text from a publication now in the public domain: Swinhoe, Charles (1912–1913). Lepidoptera Indica. Vol. X. London: Lovell Reeve and Co.. pp. 59–60. https://www.biodiversitylibrary.org/item/103495#page/73/mode/1up. 
  11. ↑ 11.0 11.1 This article incorporates text from a publication now in the public domain: E. Y., Watson (1891). Hesperiidae Indicae : being a reprint of descriptions of the Hesperiidae of India, Burma, and Ceylon. Madras: Vest and Company. pp. 122. https://www.biodiversitylibrary.org/item/64080#page/136/mode/1up. 

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