Long-tail Spangle Swallowtail
Common NameLong-tail Spangle Swallowtail
Scientific NamePapilio protenor
FamilyPapilionidae
SubfamilyPapilioninae
Wingspan (mm)110
Primary Colorsblack, orange, blue
HabitatForests, forest edges, open woodlands, gardens
Geographic RangeEast Asia (China, Japan, Korea, India, parts of Southeast Asia)
Host PlantsZanthoxylum, Phellodendron, Citrus
Flight PeriodApril to October (multiple broods)
Conservation Statusleast-concern
Lifecycle NotesUndergoes complete metamorphosis; eggs are laid singly on host plants, larvae are typically green and camouflaged, and pupation occurs in a chrysalis often resembling a twig or leaf.
Identification TipsLook for its large size, overall dark wings, very long tails on the hindwings, and the characteristic row of orange and blue crescent markings on the hindwing's outer edge.
Description
A large, dark swallowtail butterfly with prominent long tails on its hindwings. The hindwings feature a distinctive pattern of orange and blue crescent-shaped spots along the outer margin.
