What's That Bug? does not endorse extermination

Subject: Red Horned Catepillar Type Bug
Location: Southern Arizona
September 5, 2012 10:30 pm
Hi – Found this in Southern Arizona and I think it is eating my pecan trees. Not sure what it might be, but hoped you might be able to help. Sure is an interesting looking creature. Thanks for looking!
Signature: Steven

Pipevine Swallowtail Caterpillars

Dear Steven,
These are Pipevine Swallowtail Caterpillars, and they will eventually metamorphose into beautiful butterflies.  To the best of our knowledge, they do not feed on the leaves of pecan trees, but rather, on pipevine, according to BugGuide.  Perhaps you have pipevine growning amongst your pecan trees.

What's That Bug? does not endorse extermination
Location: Arizona

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