I normally buy locally the VItax Apple maggot traps to stop my apple & pear trees getting too many grubs. I first purchased them because we had a koi pond so wasn’t able to spray the trees. These little tents keep the grubs at bay. This year because of the pandemic I was a bit late ordering them. They really should be out in the tree at the pink bud stage but I was a bit late so fingers crossed they’ll still kill the grubs.