Banded treebrown
Arunachal Pradesh, India
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Nymphalidae
Genus: Lethe
Species:
L. confusa
Binomial name
Lethe confusa

Lethe confusa, the banded treebrown, is a species of butterfly belonging to the satyr family that is found mainly in Southeast Asia and in parts of South Asia.

It is about 50–55 mm in expanse with the upper surface of wings predominantly brown in colour. The forewing has a sub-apical white band and pale spot on the apex. Underside of the hindwing has a large ocellus or and a series of spots along the margin. It is found in bamboo forests.

Description

Hindwing dentate at apex of vein 4. Upperside ground colour Vandyke brown; forewing crossed by an oblique, slightly curved, discal white band, the margins of the band more even and regular than in the female of Lethe rohria; beyond this are two obliquely placed preapical white spots. Hindwing uniform, ocelli of the underside showing through.

At Samsing in Darjeeling district of West Bengal, India

Underside uniform brown; forewings and hindwings with subbasal, subterminal and terminal sinuous lilacine-white lines; forewing with the oblique discal white bar as on the upperside, followed by a subapical lilacine patch bearing three small ocelli in vertical order, and with a very short, oblique, white bar joining it to the costa. Hindwing with a sinuous, irregular, angulated discal lilacine-white line and a strongly arched series of black ocelli speckled with white in the centre, with an inner ochraceous, intermediate brown, and outer lilacine ring. Antenna, head, thorax and abdomen dull brown; antennae ochraceous at apex.[1] Wingspan: 54–64 mm.

Museum specimens from Malaya, showing upperside

Range: the Himalayas, Shimla to Sikkim, Assam into Myanmar and extending to Java.

References

  1. ↑ Bingham, C.T. (1905). The Fauna of British India, Including Ceylon and Burma Butterflies. Vol. 1 (1st ed.). London: Taylor and Francis, Ltd. pp. 82–83.
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