I’m sorry that I don’t have pics. I’ll just have to describe this as well as I can. The grapevines have recently unfurled their first new growth of the year. Yesterday I noticed clear little gel like balls along the “stems” for the new leaves and bud clusters. The balls were less than 1 mm diameter, firmer than frog eggs but not hard, not uniformly sized. Would these be some sort of egg, or exudate, or what? I can’t say I’ve never had this on grapes before, but I’ve never noticed on them previously. In any case, I wiped them off with my fingers and went back today wipe off any that missed yesterday. I’ve been fortunate that I haven’t had any pests or diseases both our grapes in the past. Well, except for the occasional Japanese beetle that I’d just squish with my fingers.
I appreciate any information you may have.