Do big beetles do any harm to your yard?

Answer by  champaign9497 (11977)

All beetles will do harm to your yard they will eat your plants and young trees as long as nest in the ground and create more.

Answer by  shivsharvaan (29)

There are over 1,000 different types of ground beetles of all colors in the United States. The ground beetle is just one type of black beetle that can be found in American yards. Each type of black beetle in your yard will affect it differently. Some are harmless.