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Project Noah Nature School
Papilio cresphontes
The mature caterpillar resembles bird droppings to deter predators, and if that doesn't work they use their orange osmeteria. These are 'horns', which they can display and then retract. The coloration is dingy brown and or olive with white patches and small patches of purple.
Spotted on Aug 24, 2014
Submitted on Aug 25, 2014
2 Comments
Thanks for the confirmation ForestDragon :)
Looks like you could be correct. http://bugguide.net/node/view/685719 :)