I agree. It must be a bumper year for wasps. I've never had them affect the raspberries before and this year they're decimating them and they ruined the goosegogs. I've a jamjar or two with sweet liquid ready to go in the fruit cage. Nothing else is recommended.
Gardening is an excuse not to do housework
Greetings from Salisbury
Qualified member of the Confused Nutter's Club