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Pipevine Swallowtail Caterpillar

Battus philenor

Photo by kcdick
Published on Project Noah
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Field Notes

Description:

Pipevine Swallowtail caterpillar. One of hundreds that were stuffing themselves full of Dutchman's Pipe leaves out at Audubon Canyon Ranch near Stinson Beach, CA. Also, close-up shot of the larva's osmeterium; a fleshy, malodorous projection that the larva sports if it gets annoyed. Together, the scent and appearance of these orange "horns" may deter a predator from eating the caterpillar.

Species ID Suggestions

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Photographed
PublishedJuly 25, 2011

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