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Papilio zelicaon
On (anise?) plants on the side of the trail.
Spotted on Mar 17, 2015
Submitted on Mar 17, 2015
3 Comments
Beautiful caterpillars....
Wow! jackpot!!!
Nice spotting! These caterpillars are likely Papilio zelicaon or Papilio polyxenes, rather than Papilio glaucus. P. glaucus are not found in California and their caterpillars are much different looking.
Here are some references.
Anise Swallowtail: http://bugguide.net/node/view/28235
Black Swallowtail: http://bugguide.net/node/view/2636
Tiger Swallowtail: http://bugguide.net/node/view/491
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