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Looks like some kind of large worm. Any ideas what it is? (Found in San Diego CA)
It was on a citrus tree
Looks like Giant Swallowtail caterpillar. If you have citrus trees, you've probably seen the big black and yellow butterflies checking them out.http://bugguide.net/node/view/317252/bgi...
Spotted on Nov 4, 2014 Submitted on Nov 4, 2014