Summary ²

Battus philenor hirsuta, the California pipevine swallowtail, or hairy pipevine swallowtail, is a subspecies of the pipevine swallowtail that is endemic to Northern California. Populations are found throughout the Sacramento Valley and outside of the valley in Contra Costa and Alameda Counties. The butterfly is black with hind wings that have iridescent green-blue coloring above and a row of red spots below; the caterpillars are black with fleshy protrusions and red spots.

On San Bruno Mountain ³

Larvae feed on California Pipe Vine (Aristolochia californica) only.

Sources and Credits

1. (c) 1999 California Academy of Sciences, some rights reserved (CC BY-NC-SA), http://calphotos.berkeley.edu/cgi/img_query?seq_num=23313&one=T
2. Adapted by Scott Loarie from a work by (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Battus_philenor_hirsuta
3. (c) Scott Loarie, some rights reserved (CC BY-SA)

More Info

• iNat taxon page
• Animal Diversity Web
• Biodiversity Heritage Library
• BOLD Systems BIN search
• BugGuide
• Butterflies and Moths of North America
• CalPhotos
• CUIC Insect Images
• Global Biodiversity Information Facility (GBIF)
• HOSTS - a Database of the World's Lepidopteran Hostplants
• Moth Photographers Group
• NatureServe Explorer 2.0
• Pacific Northwest Moths

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