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{{Taxobox
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| name = Golden angle
| name = Golden angle
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[[File:Odontoptilum ransonnetti.JPG|thumb]]
[[File:Odontoptilum ransonnetti.JPG|thumb]]
[[File:Golden Angle Caprona ransonnetti 2 Sanjay Gandhi National Park Mumbai DSCF3091.JPG|thumb]]
[[File:Golden Angle Caprona ransonnetti 2 Sanjay Gandhi National Park Mumbai DSCF3091.JPG|thumb]]
{{Entomology glossary hatnote}}
:''See [[Glossary of entomology terms|glossary]] for terms used.''


In 1891, [[Edward Yerbury Watson]] gave this detailed description:
In 1891, [[Edward Yerbury Watson]] gave this detailed description:
{{quote|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.<ref name=watson/>
{{quote|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.<ref name=watson/>
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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.|E.Y. Watson}}
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.|E.Y. Watson}}

Revision as of 18:13, 23 October 2016

Golden angle
Wet-season form
Scientific classification
Kingdom:
Phylum:
Class:
Order:
Family:
Genus:
Species:
C. ransonnettii
Binomial name
Caprona ransonnettii
(Felder, 1868)
Synonyms
  • Pterygospidea ransonnettii Felder, 1868
  • Abaratha ransonnetti

Caprona ransonnettii, commonly known as the golden angle, is a butterfly belonging to the family Hesperiidae.

Range

It occurs in Sri Lanka, Odisha and in the Nilgiri mountains.[1]

Description

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.[1]

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.

— E.Y. Watson

References

  1. ^ a b Watson, E. Y. 1891. Hesperiidae Indicae: descriptions of the Hesperiidae of India, Burmah and Ceylon. Madras.