 The
Horsfield's Baron is dimorphic, in that the male has a velvety black upperside
with a broad bright blue marginal border on the hindwings. The female
is pale greyish ochreous brown and is often confused with Tanaecia pelea
(Malay Viscount) or one of the Euthalia species.
The species is relatively common
in Singapore - the males more often encountered along sunny footpaths.
The butterfly has an interesting habit of gliding back to a favourite perch,
often on the edge of a large leaf, and settles just out of reach of the
observer.
Sometimes, three or four males
are seen together around the same territory, frolicking with each other
in the sun. The Horsfield's Baron is very often encountered in the
western area of the nature reserves, particularly in the Chestnut Track
and Mandai Track of the western fringe of Upper Peirce Reservoir |
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