7 daughter colonies of the 4a were tested:
DE-16-161-138-1966 DE-16-161-139-1966 DE-16-161-141-1966 DE-16-161-144-1966 DE-16-161-146-1966 DE-16-161-151-1966 DE-16-161-1851-1968
1 tested queens were mated at the mating station:
DE-4-175-48-1966
3 daughter colonies of queens mated at the mating station were tested:
DE-4-6-66-1969 DE-4-6-68-1969 DE-4-6-83-1969