Old World Swallowtail
Image: Margareta de Heer (Public domain)
Common NameOld World Swallowtail
Scientific NamePapilio machaon
FamilyPapilionidae
SubfamilyPapilioninae
Wingspan (mm)75
Primary Colorsyellow, black, blue, red
HabitatMeadows, grasslands, fens, marshes, open woodlands, coastal areas
Geographic RangeEurope, Asia, North Africa, parts of North America
Host Plantswild carrot, fennel, hogweed, angelica, parsnip
Flight PeriodApril to September (multiple broods)
Conservation Statusleast-concern
Lifecycle NotesEggs are laid singly on host plants. Larvae are green with black bands and orange spots, possessing an osmeterium. Pupae can be green or brown, camouflaged as a twig or leaf.
Identification TipsLook for the large size, bright yellow and black striped pattern, and the distinctive blue and red-orange spots on the hindwings, often with short tails.
Description
A large, striking butterfly with bright yellow wings marked by bold black stripes and veins. The hindwings feature a band of blue spots and a prominent red-orange eyespot near the tail.





