
Golden Birdwing
Common NameGolden Birdwing
Scientific NameTroides aeacus
FamilyPapilionidae
SubfamilyPapilioninae
Wingspan (mm)140
Wing Patternspotted
Primary Colorsblack, golden-yellow
HabitatTropical and subtropical forests, forest edges
Geographic RangeSoutheast Asia (India, Nepal, Bhutan, Myanmar, Thailand, Laos, Vietnam, China)
Host PlantsAristolochia griffithii, Aristolochia tagala
Flight PeriodYear-round (multiple broods)
Flight Stylesoaring
Conservation Statusleast-concern
Lifecycle NotesEggs are laid on Aristolochia vines, which serve as the host plants for the larvae. Caterpillars feed on the leaves, sequestering toxins, and pupate into a cryptic chrysalis.
Identification TipsDistinguished by its very large size, the striking contrast between black forewings and golden-yellow hindwings, and its characteristic soaring flight. The underside shows strong black venation on the yellow areas.
Description
A large butterfly with velvety black forewings and brilliant golden-yellow hindwings, often with black veins. The underside, as shown, features prominent black veins contrasting with the golden-yellow patches.




