I checked the beetles identity with Wilkepedia. The tan/brown hard type back with the white zig-zag markings down each side. Aprroximately 1 1/2" long. I should have took a photo, before I got rid of it.
Hi, I live in Mid Wales, just inside the Shropshire border. Mick.
I have just found one of these pests on my rose shrub. Munching away on the flower. As it was the first one I have seen, should I be worried.?