They are learning that good bugs are often killed with the bad.

Researchers don't know exactly how these good bugs do their thing; some believe they may simply overpower the invaders.

That's why yogurt's "active cultures," or good bugs, are touted so often.

They are good bugs, he said, that eat the bad bugs, which makes for a natural way of controlling pests.

There's also evidence that the good bugs block chemical factors involved in inflammation.

When good bugs are killed off, a person might purposely eat friendly microbes to repopulate the intestines more quickly.

Many good bugs live further down the plant, Mr. Show said, under the protection of leaves and other plant structures.

A bohrbug, by opposition, is a "good, solid bug".

Dandelions are great sources of nectar for many good bugs, so let them flower on your lawn.

"The longer you wait to put on the chemicals, the better your chances are that good bugs will go after the bad."