Found on a rose leaf
I found several of these caterpillars on my rose bush and I can not find any info on it. can you help?
These are a type of Prominent Moth Caterpillar known as the Unicorn Caterpillar, Schizura unicornis. BugGuide lists many food plants, including apple (related to rose), willow, alder, hickory, aspen, birch and elm.