We havent seen this one before
Thanks in advance for your help. This one was found on a rose bush in Payson, AZ at about 5,000 ft elevation. Length is approaching 3″. I have looked at a couple of sites and didn’t see any that looked quite like it. Your help is appreciated.
We are going to check with some sources and we will get back to you regarding this probably stinging rose eating caterpillar. We wrote to Eric Eaton who supports our suspicion that this is a relative of the Io Moth in the genus Automeris. Additional web searching led us to BugGuide’s page of Automeris cecrops panima, the Cecrops Eyed Silkmoth.