Red-disc bushbrown
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Nymphalidae
Genus: Mycalesis
Species:
M. oculus
Binomial name
Mycalesis oculus
(Marshall, 1880)
Synonyms
  • Heteropsis oculus (Marshall, 1880)
  • Telinga oculus (Marshall, 1880)[1][2]

Mycalesis oculus, the red-disc bushbrown,[3][4] is a satyrine butterfly found in southern India.[3][4] It is similar in markings to Mycalesis adolphei but distinguished by the reddish band around the large apical spots on the upper forewings.

Description

Somewhat similar to Mycalesis adolphei but the eyespots on the median vein of the upper forewing much larger and encircled by a broad ring of orange red and extending towards the costal margin (leading edge). The underside is dark reddish brown. The eyespot on the hindwing is larger than in M. adolphei. The wingspan is about 5 to 6 cm. The species is found mainly in the hill forests of the southern Western Ghats.[5][6]

Male. Upperside rich ferruginous-brown. Forewing darker brown externally; with an indistinct small subapical black spot with white pupil; a very large prominent lower black ocellus, with large white pupil, broadly surrounded externally with bright ferruginous-red, which latter colour forms an irregular discal patch extending from the posterior margin and is anteriorly prolonged in front of the subapical spot to near the costa. Hindwing with four anteriorly decreasing moderately small black ocelli with white pupils and darker ferruginous-red outer rings. Cilia dark cinereous. Underside paler ferruginous-brown, more ochraceous brown externally. Both wings with the basal area marked with short dark ferruginous-brown strigae, and with a distinct darker brown transverse discal line, which is widely ochreous bordered externally at its costal end on the forewing, and narrowly with cinereous posteriorly on both wings. Forewing with a minute subapical and a small lower median ocellus, and sometimes a white dot is also present between the upper and middle median veins. Hindwing with six very small ocelli, the four upper and the lowest being minute.

Male with a subbasal tuft of brown hairs overlapping a small glandular patch of blach scales on the upperside of hindwing, and on the underside of the forewing with a large basal nacreous area with a very slight ordinary glandular patch of blackish scales.

Female larger. Upperside of somewhat brighter colours; all the ocelli larger and more prominent. Underside paler than in the male, the transverse discal line on both wings broadly diffused externally with paler ochreous anteriorly and cinereous posteriorly; ocelli the same as in male.

Body above dark brown; abdomen beneath, legs, and streaks on sides of palpi pale ochreous-brown.

— Frederic Moore, Lepidoptera Indica. Vol. I[6]

References

  1. ↑ Aduse-Poku, Kwaku; Lees, David C.; Brattström, Oskar; Kodandaramaiah, Ullasa; Collins, Steve C.; Wahlberg, Niklas; Brakefield, Paul M. (2016). "Molecular phylogeny and generic-level taxonomy of the widespread palaeotropical 'Heteropsisclade' (Nymphalidae: Satyrinae: Mycalesina)". Systematic Entomology. 41 (4): 717–731. doi:10.1111/syen.12183.
  2. ↑ Kodandaramaiah, U., D. C. Lees, C. J. Müller, E. Torres, K. P. Karanth and N. Wahlberg. 2010. "Phylogenetics and biogeography of a spectacular Old World radiation of butterflies: the subtribe Mycalesina (Lepidoptera: Nymphalidae: Satyrini)". BMC Evolutionary Biology, [10:172 (PDF)
  3. 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. pp. 175–171. doi:10.13140/RG.2.1.3966.2164. ISBN 978-81-929826-4-9.
  4. 1 2 Savela, Markku. "Mycalesis Hübner, 1818 Bushbrowns". Lepidoptera - Butterflies and Moths. Retrieved 2018-03-18.
  5. ↑ Public Domain One or more of the preceding sentences incorporates text from this source, which is in the public domain: Bingham, Charles Thomas (1905). Fauna of British India. Butterflies Vol. 1. p. 62.
  6. 1 2 Moore, Frederic (1890). Lepidoptera Indica. Vol. I. London: Lovell Reeve and Co. p. 211.


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