30 July 2016

Life History of the Chocolate Royal v2.0

Life History of the Chocolate Royal (Remelana jangala travana)

Butterfly Biodata:
Genus: Remelana Moore, 1884
Species: jangala Horsfield, 1829
Subspecies: travana Hewitson, 1865
Wingspan of Adult Butterfly: 31-35mm
Caterpillar Local Host Plants: Ixora 'Super Pink' hybrid/cultivar. of Ixora chinensis (Rubiaceae, common name: Ixora, chinese name: 龙船花), Eurya acuminata (Theaceae, chinese name: 尖叶柃), Bridelia tomentosa (Phyllanthaceae, common names: Kenidai, Kernong, Kernam, chinese name: 土蜜树).

A female Chocolate Royal.

Physical Description of Adult Butterfly:
On the upperside, the male is deep lustrous purple with broad brown border on both wings; the female is paler purple and different from the male in having basal areas of spaces 2 and 3 entirely purple. On the underside, both sexes are brown with conspicuous cell-end bars and post-discal series of dark brown striae on both wings. The prominent black tornal spot and the black marginal spot in space 2 are bothcrowned with brilliant metallic green/blue scaling. Between and beyond the two spots, the marginal area of spaces 1a, 1b and 3 is also covered with same metallic scaling. There are two pairs of white-tipped tails at the end of veins 1b and 2.

Field Observations:
This species is moderately rare in Singapore and can be found in forested areas of the nature reserves. There are also infrequent sightings of this species in urban parks and gardens. Adults are fast flyers and make rapid sorties among foliage. Both sexes have been observed to visit flowers of various plants for nectar. The male has also been observed to puddle on wet grounds.