This question could be for a gardening forum, but someone here might know. Our nature strip has white cedar trees (about 10yrs old now) planted by the Council. On the grass near the base of the tree, there are small round holes everywhere. These holes are on my front lawn as well. Over a period of time all the standard roses in my garden have died as well as a few more small shrubs. The entire lawn has these small holes as well. You can poke a stick down to China! We've dug up a really deep hole with no sign of a spider or insect? Council came to investigate & said its not the tree (so not their fault) & couldn't identify the culprit. Something seems to like this particular specie of tree as I've done an inspection of the neighbors nature strips & they are the same. Seems like they are attacking the roots of these trees maybe? Went to a nursery & they said it could be a spider but without actually catching one, have no idea what to do.
Any clues would be greatly appreciated.