4 daughter colonies of the 4a were tested:
CH-51-108-3330-1990 CH-51-108-3331-1990 CH-51-108-3332-1990 CH-51-108-3592-1990
16 tested queens were mated at the mating station:
CH-51-102-3825-1991 CH-51-102-3826-1991 CH-51-102-3827-1991 CH-51-102-4147-1991 CH-51-108-3587-1991 CH-51-108-3589-1991 CH-51-108-3593-1991 CH-51-109-3949-1991 CH-51-109-3950-1991 CH-51-110-3746-1991 CH-51-110-3747-1991 CH-51-110-3748-1991 CH-51-110-4162-1991 CH-51-112-3823-1991 CH-51-112-3824-1991 CH-51-241-3552-1991
No daughter colonies from colonies mated at the station were tested yet.