Butterflies of Thailand, Malaysia & Borneo
Eliot's Bush Brown
Mycalesis patiana  ELIOT, 1969
subfamily - SATYRINAE
Mycalesis patiana, Taman Negara, West Malaysia David Fischer
Mycalesis is one of the largest Satyrine genera, comprising of 88 known species, of which 2 have yet to be given scientific names. The genus is confined to the Oriental and Australian regions.
The butterflies are instantly recognisable as a group, all being some shade of brown on both wing surfaces, and marked with a series of conspicuous ocelli, and a single straight median line across the underside of both wings. Many of the species are very similar, but can usually be distinguished from each other by close examination of the configuration of the ocelli and submarginal lines.
Mycalesis patiana is found in India, Burma, West Malaysia, Sumatra and Borneo.
This species is found in open areas of primary rainforest, mainly along the narrow forest trails, at elevations between sea level and about 200 metres.
I have no data regarding patiana but the lifecycle will be similar to that of other Mycalesis species: The eggs are spherical and glossy, and typically white or yellowish in colour. The larvae tend to be greenish or brownish in colour, with a dark head which bears a pair of short horns. They feed on grasses, sedges or bamboos. The pupae are pale green, and usually unmarked except for minor striations or dots.
Adult behaviour
The butterflies tend to be found along narrow trails at spots where dappled sunlight penetrates to ground level. They fly infrequently and always keep low to the ground, settling on dead leaf litter rather than living foliage. The flight is slow, bobbing and erratic, as is typical of Satyrines.


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