There are several sawflies that feed on roses. The cool thing about sawflies is that, even though the larvae look like caterpillars, they are actually wasps. This is important to remember when selecting control measures. Yesterday I found rose sawfly larvae on the knockout roses at my
Rose and pear slugs (sawflies)
Rose Sawfly – Most Leaves Damaged and Brown
Garden Q&A: What's chewing my rose leaves? – Baltimore Sun
Rose and pear slugs (sawflies)
What's Eating My Rose Leaves? – Maryland Grows
Leaf rolling sawfly blennocampa pusilla leaf hi-res stock
Roseslug Sawfly – Wisconsin Horticulture
Rose leaves eaten by sawflies – EcoIPM
Rose sawfly hi-res stock photography and images - Alamy
What's Eating My Roses in Spring? — Sawflies - Insect Diagnostic Lab
Roseslug Sawfly – Wisconsin Horticulture
Rose Sawflies Extension Entomology
Rose Sawfly – Most Leaves Damaged and Brown