No daughter colonies of the 4a were tested yet.
6 tested queens were mated at the mating station:
CH-51-54-3938-1991 CH-51-57-3680-1991 CH-51-57-3681-1991 CH-51-58-3626-1991 CH-51-58-3627-1991 CH-51-241-3553-1991
29 daughter colonies of queens mated at the mating station were tested:
CH-51-54-4149-1992 CH-51-54-4150-1992 CH-51-54-4151-1992 CH-51-54-4152-1992 CH-51-54-4153-1992 CH-51-54-4154-1992 CH-51-54-4155-1992 CH-51-54-4156-1992 CH-51-54-4157-1992 CH-51-54-4158-1992 CH-51-54-4569-1993 CH-51-54-4570-1993 CH-51-54-4571-1993 CH-51-54-4572-1993 CH-51-54-4573-1993 CH-51-54-5053-1994 CH-51-54-5054-1994 CH-51-54-5055-1994 CH-51-54-5061-1994 CH-51-58-4637-1993 CH-51-58-4638-1993 CH-51-58-4639-1993 CH-51-58-4640-1992 CH-51-58-4641-1992 CH-51-58-4873-1994 CH-51-114-5124-1994 CH-51-114-5125-1994 CH-51-241-5140-1994 CH-51-241-5141-1994