Click on a thumbnail picture below to see the full size version. 1 Entries. Sunday, July 15 View Page I've been having problems with yellow chunks of my pumpkin vines, and I couldn't figure out what the problem was. After talking with a few veterans, I learned I had some vine borers. When I went looking, I pulled out 8. That was all I could get before I had to be somewhere. so we'll see how many more there are still in the vine tomorrow.