
Old World Swallowtail
Image: Amédée Varin (Public domain)
Common NameOld World Swallowtail
Scientific NamePapilio machaon
FamilyPapilionidae
SubfamilyPapilioninae
Wingspan (mm)75
Primary Colorsyellow, black, blue, red
HabitatMeadows, grasslands, open country, fens, marshes, coastal areas, mountains
Geographic RangeWidespread across the Palearctic region (Europe, Asia, North Africa) and parts of North America (Alaska, Canada)
Host Plantswild carrot, fennel, dill, parsley, hogweed
Flight PeriodApril to September
Conservation Statusleast-concern
Lifecycle NotesEggs are laid singly on host plants. Larvae are green with black bands and orange spots, possessing an eversible osmeterium. Pupae are camouflaged, either green or brown.
Identification TipsKey features include its large size, bright yellow and black striped pattern, long tails on the hindwings, and the combination of blue and red spots near the hindwing's anal angle.
Description
A large, striking yellow butterfly with bold black stripes and markings, prominent tails on the hindwings, and a distinctive blue band and red eyespot near the anal angle of the hindwing.





