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.

Armyworm outbreaks are difficult to predict, but infestations seem to occur in portions of the state every year, especially after rains in the early fall. Common species of armyworms in Texas include ...