Q: What is this insect chewing holes into my unripe tomatoes? This caterpillar is a yellow-striped armyworm, and it’s not uncommon to find them on vegetable plants late in the growing season.

The leaves of my tomato plant are being eaten by something. Some of the stems are completely bare of leaves. Is there anything I can do to protect my plants? I suspect you have a tomato hornworm or ...