There is a blackberry bush in my garden, UK, its fruit is ripening at the moment, but many of them are discolored. I read that sunscald could be one cause, it does get direct sun for a lot of the day, and unfortunately I cannot move it as its too large. I have also wondered if it could be insects, but so far the only insects I have seen on the blackberries are what seems to be ants, who apparently only feed on already damaged blackberries. I have seen that the ants bulbous part on their body looks see through or partially see through on some them, but they do look just like ants. I have taken photos of the discoloration as well as the ants/insects. Is there any way to save the blackberries that haven't ripened yet? Some of the bunches of blackberries look almost 100% black like they should be, but many are like in the photo. thank you

There is a blackberry bush in my garden, UK, its fruit is ripening at the moment, but many of them are discolored. I read that sunscald could be one cause, it does get direct sun for a lot of the day, and unfortunately I cannot move it as its too large. I have also wondered if it could be insects, but so far the only insects I have seen on the blackberries are one or two spiders, and what seems to be ants, who apparently only feed on already damaged blackberries. I have seen that the ants bulbous part on their body looks see through or partially see through on some them, but they do look just like ants. I have taken photos of the discoloration as well as the ants/insects. Is there any way to save the blackberries that haven't ripened yet? Some of the bunches of blackberries look almost 100% black like they should be, but many are like in the photo. thank you