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Santa Barbara Field Guides - Butterflies

     Battus philenor
     Pipevine Swallowtail

male upperside
male underside
female upperside
female underside

Size: Wingspread 3-4 in.
Recognition: Medium/large; dark colored; upper surface of HW is iridescent bluish green with less extensive coloring on females; white spots around bottom of HW in males and also on FW edges of female; underside is dark with distinctive green iridescence and orange spots around HW.
Flight period: Adults fly in spring and summer.
Hostplants: Larvae of Pipevine Swallowtails feed on Pipevine (Aristolochia species), which does not grow natively south of Monterey County.
Habitat: Found in a variety of open habitats such as open woodland, woodland edges, hillsides, desert areas, parks, roadsides, and riparian areas.
Distribution: A rare stray to our area (its host plant does not occur here naturally). Breeding populations occur in the more humid parts of the southern US, with a disjunct population in northern California.

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