1 daughter colonies of the 4a were tested:
DE-8-142-937-1962
6 tested queens were mated at the mating station:
DE-8-57-90-1966 DE-13-4-98-1966 DE-13-4-99-1966 DE-13-4-102-1966 DE-13-4-104-1966 DE-13-4-107-1966
3 daughter colonies of queens mated at the mating station were tested:
DE-8-57-12-1969 DE-13-4-549-1969 DE-13-4-590-1969