Q.maggots in the fruit
When my fruit is growing, something is getting inside the fruit and eating it out from the inside. I have lost 2 crops from this. I can’t see where they get into the fruit and by the time they are ripe, the have half rotted and are full of maggots. I have sprayed. I have put a grease band around the trunk. I have pruned. This is my last try, as the love and tension, the time and effort in the trees is wearing thin. These are nectarines and peaches. Can you help me, please?
Kind regards
Gerry

This is likely an infestation of the Oriental Fruit Moth.
Here is a link with more information.