Ypthima chenu

Ypthima chenu,[1] the Nilgiri fourring,[2][3] is a species of Satyrinae butterfly found in south India.[2][3][4][5]

Nilgiri fourring
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Nymphalidae
Genus: Ypthima
Species:
Y. chenu
Binomial name
Ypthima chenu
Synonyms
  • Ypthima chenui

Description
For a key to the terms used, see Glossary of entomology terms.

Charles Thomas Bingham (1905) gives a detailed description as follows:[4]

Upperside van dyke-brown. Fore wing with the usual preapical, bipupilled, yellow-ringed, large ocellus, and a more or less obscure transverse subterminal fascia. Hind wing with two small submedian unipupilled black, ocelli ; no indications of a tornal ocellus. Underside : fore wing ground-colour dusky greyish brown, covered with short transverse brown striae, very prominent discal and subterminal broad transverse dark brown posteriorly convergent fasciae ; the subterminal fascia bordered with whitish on both sides, and a preapical ocellus as on upperside. Hind wing : ground-colour white, with striae as on the fore wing ; subbasal,discal and subterminal broad transverse brown fasciae, also one apical and three postdiscal, laterally elongate, ocelli in a curve. Antennae,head, thorax and abdomen dull greyish brown ; abdomen paler beneath. Male without any secondary sex-mark.In the dry-season form the fasciae on the underside of hind wing are still more prominent, the ocelli smaller.

Exp. ♂ ♀ 44-50 mm. (1.73-1.98").

Habitat. S. India, the Nilgiri and Anaimalai Hills.

— Bingham
  • Illustration

References
  1. Delessert, Adolphe (1843). Souvenirs d'un voyage dans l'Inde exécuté de 1834 à 1839. Paris: Bétrune et Plon for Fortin, Masson et Cie & Langlois et Leclerq. p. 77.
  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. pp. 180–181. doi:10.13140/RG.2.1.3966.2164. ISBN 978-81-929826-4-9.
  3. Savela, Markku. "Ypthima Hübner, 1818 Rings Ringlets". Lepidoptera - Butterflies and Moths. Retrieved 2018-03-18.
  4. One or more of the preceding sentences incorporates text from a work now in the public domain: Bingham, Charles Thomas (1905). Fauna of British India. Butterflies Vol. 1. pp. 141–142.
  5. Moore, Frederic (1893). Lepidoptera Indica. Vol. II. London: Lovell Reeve and Co. pp. 83–84.


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