Appearance
From Charles Thomas Bingham ''The Fauna of British India, Including Ceylon and Burma, Butterflies'', Vol. 1:For a key to the terms used, see :Glossary of entomology terms.
Male: Upperside: closely resembles ''D. dipaea'' in the ground-colour and markings, but on the hind wing the markings are broader and more diffuse, and the lobe has a short filamentous black white-edged tail. Underside a brighter brown than in ''D. dipaea''; the markings very similar, but twice as broad.
⤷ Expanse: 38-49 mm
⤷ Habitat: The Himalayas from Murree to Bhutan; Assam, the Khasi and Jaintia Hills.
⤷ Larva: More or less onisciform, pale emerald-green with two dorsal blue lines somewhat sparingly covered with short hairs, it Feeds on grasses and hill-bamboo.
⤷ Pupa: pale green, with cross check o£ darker green lines. Head bifid, flat in front and angulated below.
Naming
*''D. e. eugenes'' Sikkim to Assam to Burma, Tibet, Himalayas , Northeast India , North Thailand, Indo China, West China.⤷ ''D. e. chaseni'' Corbet, 1941 Peninsular Malaya
⤷ ''D. e. venox'' Fruhstorfer, 1912 Sikkim, Assam, Yunnan
⤷ '' D. e. esakii'' Shirôzu, 1953 Formosa
⤷ ''D. e. formosana'' Matsumura, 1919 Taiwan
References:
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