saddleback caterpillar

[nina elshiekh]

I was looking through an eyewitness series book on moths and butterflies 
and found a picture of a strange caterpillar that I'd seen last august 
hanging out on my passionvine.  It was a saddleback and from the 
description it was a full grown one.  The book noted that this is a more 
tropical species, so i wonder if it is an uncommon site here in North 
Carolina.  Is the passionvine it's host plant?

Nina Elshiekh
Chapel Hill, NC USA
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