Q: The leaves of my grapevines are being chewed up by a funny-looking caterpillar that I’ve never noticed before. I’m embarrassed for anyone to see how bad the vines look. How should I fight this ...

Q: A few years ago, we lost most of our grapevines to grapeleaf skeletonizers. Is there some way to prevent this from happening again? I would prefer an organic solution, if possible. The western ...

NAPA – This week, Napa County agriculture officials put out a warning that they have discovered an animal that they describe as a "voracious feeder" that sounds like something from a monster movie.

NAPA (CBS SF/BCN) -- Living up to its name, the discovery of a voracious Western grapeleaf skeletonizer moth in a Napa County vineyard has growers and agricultural officials on edge. The moth can ...

An unwelcome guest was found creeping among Napa County vines this month. On May 12, Jesse Guild, an insect trapper in the area, was checking traps in the Pope Valley when he found a western grapeleaf ...