|These were all over most of the roses on the bush, just skipping the ones where the bees were busy.|
|Zooming in on a couple. Those aren't weevil stripes: they're flower shadows. I think.|
The beetles are tiny, and hard to see clearly, but the longish faces and the antennae; perched on the tip of the nose, and with a definite angle halfway up, say weevil to me. I've sent a few photos in to BugGuide for a closer ID.