3 daughter colonies of the 4a were tested:
CH-51-57-3208-1990 CH-51-57-3209-1990 CH-51-57-3214-1990
15 tested queens were mated at the mating station:
CH-51-57-3669-1991 CH-51-57-3670-1991 CH-51-57-3671-1991 CH-51-57-3672-1991 CH-51-57-3673-1991 CH-51-57-3674-1991 CH-51-57-3675-1991 CH-51-57-3676-1991 CH-51-57-3677-1991 CH-51-57-3678-1991 CH-51-57-3679-1991 CH-51-57-3682-1991 CH-51-57-3683-1991 CH-51-57-3684-1991 CH-51-57-4296-1991
1 daughter colonies of queens mated at the mating station were tested:
CH-51-57-4605-1993