Make sure the grape vines are in a sunny spot where they don't stay too wet. Add more soil amendments like fish emulsion so they will be less prone to attack. Monsoon season brings humidity and mosquitoes to Southern Arizona. I try to remember the moisture is well worth it. It's good to plant the Fall crops about the time when most of the insects start to hibernate.
Ants here are hard to beat.
I use tanglefoot around potted plants, but it's easy to get the goop on me. You need pot bottoms or the ants go in through the drainholes. Medical uses for Feverfew are many. It can be used for migraine headaches, arthritic pain, depression, and nausea Take a week or two at a time, then discontinue for a few weeks, like any medicinal. Summer' s end it drys up completely, but it may return in late winter if the frosts haven't been too hard.