What makes little holes in the ground?
If you are experiencing holes in your yard, there is a variety of things that could be causing them. Animals, children at play, rotten roots, flooding and irrigation problems are the usual suspects. Small holes in yards are generally from insects, invertebrates or burrowing rodents.
Which insect digs underground?
The most common underground pests include moles, voles and gophers. Many insects, such as the cutworm and wireworm, cause problems from beneath the soil as well. The damage caused by these pests is somewhat similar, so it may be hard to tell which pest lives in your yard.
What Makes 1/2 inch holes in the ground?
Pesky voles and shrews create small holes with openings of about 1 to 1 1/2 inches while squirrels and chipmunks leave behind 2-inch holes. Vole holes may be even as small as a dime.