05 April 2014

Life History of the Common Rose

Life History of the Common Rose (Pachliopta aristolochiae asteris)

Butterfly Biodata:
Genus: Pachliopta Reakirt, 1865
Species: aristolochiae
Fabricius, 1793
Subspecies: asteris
Rothschild, 1908
Wingspan of Adult Butterfly: 65-85mm

Caterpillar Local Host Plants:  Aristolochia acuminata (Aristolochiaceae, common names: Indian Birthwort, Dutchman's Pipe), Aristolochia elegans (Aristolochiaceae, common names: Calico flower, Pipe Vine).

Physical Description of Adult Butterfly:
Above, both sexes are black with the distal part of the forewing grey-shaded between the veins.The hindwing has a large white post-discal patch and a number of greyish-red submarginal crescent-shaped spots. Underneath, both sexes bear similar markings as per the upperside, but with the submarginal spots on the hindwing rounded and in striking red. The hindwing has a moderately long tail at vein 4. The body is bright red. The female has rounder wing contours than the male.

Field Observations of Butterfly Behaviour:
Common Rose is moderately common in Singapore and are often observed at the Singapore Botanic Gardens, Singapore Zoo, Hort Park and other locations where its host plants, Aristolochia spp., are cultivated. The adults are strong flyers and have been observed to visit flowers and puddle on wet ground.