Caprona ransonnetii

Caprona ransonnetii, commonly known as the golden angle,[1] is a butterfly belonging to the family Hesperiidae. It was first described by Baron Cajetan von Felder in 1868.[2][3][4][1][5][6]

Golden angle
Wet-season form
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Hesperiidae
Genus:
Caprona
Species:
C. ransonnetii
Binomial name
Caprona ransonnetii
(C. Felder, 1868)
Synonyms
  • Pterygospidea ransonnetii Felder, 1868
  • Abaratha ransonneti Moore, [1881]
  • Caprona ransonnetti ( [sic])

Subspecies

The subspecies of Caprona ransonnetii include:

  • Caprona ransonnetii potiphera Hewitson, 1873 (India)[1][7][8]
  • Caprona ransonnetii ransonnetii (Sri Lanka)[8]

Range

It occurs in Sri Lanka and Gujarat, Jharkhand, Odisha and south to Kerala in India.[8][1][7]

Description
Showing hairs beneath head
For a key to the terms used, see Glossary of entomology terms.

In 1891, Edward Yerbury Watson gave this detailed description:

Upperside fuliginous ochreous-brown. Male; forewing with three small semi-transparent white spots before the apex (and sometimes one or two very minute spots obliquely below them), two spots within end of the cell, a slender spot between the upper and middle median veins, a larger spot between the latter vein and submedian, and followed below it by two small obliquely disposed spots; a marginal double row of pale indistinct small lunules; hindwing with a broad medial discal macular pale ochreous band traversed by brown veins and a spot within end of the cell, the outer discal area suffused with grey-brown. Cilia alternated with white. Female; forewing with the spots and marginal lunules, and the macular band on hindwing more prominent, the latter also more distinctly bordered with grey. Underside: forewing paler brown; the basal area greyish-white, the spots with clouded black outer borders; hindwing greyish-white, the outer margin only being brown, traversed by a curved discal series of small blackish spots.[8]

The dry-season form which has been named A. taylorii by de Niceville differs in being ochreous not dark brown above, and in having the disc of the hindwing unmarked with a group of ochreous spots and streaks. A similar variation has been noted by Mr. de Niceville in C. tissa, a not very distantly allied species, and in both cases it is the dry-season form which is the paler.[8]

— E.Y. Watson
  • Closed wing position
  • Closed wing position

References
  1. Varshney, R.; Smetacek, P. A Synoptic Catalogue of the Butterflies of India (2015 ed.). New Delhi: Butterfly Research Centre, Bhimtal and Indinov Publishing. p. 33.
  2. Savela, Markku. "Caprona ransonnetii (Felder, 1868)". Lepidoptera and Some Other Life Forms. Retrieved June 30, 2018.
  3. Felder, Baron Cajetan von (1868). "Diagnose neuer von E. Baron v. Ransonnet in Vorder-Indien gesammelter Lepidopteren". Zoologisch-Botanische Gesellschaft in Wien. 18 (1–2): 284.
  4. Moore, Frederic (1880). The Lepidoptera of Ceylon. London: L. Reeve & co. p. 182.
  5. 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. p. 160.
  6. One or more of the preceding sentences incorporates text from a work now in the public domain: Swinhoe, Charles (1912–1913). Lepidoptera Indica. Vol. X. London: Lovell Reeve and Co. pp. 73–75.
  7. "Caprona ransonnettii Felder, 1868 – Golden Angle". Retrieved 26 August 2017.
  8. E. Y., Watson (1891). Hesperiidae Indicae : being a reprint of descriptions of the Hesperiidae of India, Burma, and Ceylon. Madras: Vest and Company. p. 99.


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