Anonymous wrote:These are from bees. They make holes and then stuff insects down them. They are harmless.
Anonymous wrote:Stick the water hose in the hole and turn on the water. Maybe a wet chipmunk will stick his head up.
Anonymous wrote:Anonymous wrote:core aeration of your lawn
I was thinking that but OP says the entry is from the side. Also, she would have described the mechanical regularity of the holes.
Anonymous wrote:core aeration of your lawn
Anonymous wrote:Yellow jackets or the big hornets. Be extremely observant and proceed with extreme caution.