Q. Today I found two big green caterpillars eating my tomato plants. They had completely stripped the leaves from several stems. How can I stop this damage in the future? Despite their large size, the ...

Q: What's eating my pea leaves? — Ron Boe, Fargo. A: When leaves develop neat, circular holes on the margins of a leaf, it's the work of leafcutter bees, who use the material for nesting. They're good ...

Leafcutter bees have sharp jaws resembling serrated knives, yet they are surprisingly docile. These hard-working bees are known for slicing through plant leaves, leaving signature holes in their wake.