and what I hope are ground bee holes discovered this morning - about a dozen of them. View attachment 25816
Yes they look like insect holes bee holes, likely solitary mining bees but also solitary wasps live in the ground as well. If bees many bees will use the same entrance, each bee then will have it's own little tunnel to create next years off spring. On a warm day or when the sun is on the area watch and see what comes and goes.