What is the worm boring into my raspberry canes causing them to break off? - Cooperative Extension: Garden and Yard - University of Maine Cooperative Extension

Question: Some of my raspberry canes are breaking off, this is happening to the flourocanes. When I cut into the cane, I find a white segmented worm 1/4 – 1/2 inches long. I’ve had cane borers in the past, but the row around the cane is very obvious. I don’t have that here. What may read more