1 daughter colonies of the 4a were tested:
DE-16-5-1071-1963
6 tested queens were mated at the mating station:
DE-4-1-112-1964 DE-4-1-113-1964 DE-4-1-114-1964 DE-4-1-115-1964 DE-4-1-117-1964 DE-16-80-274-1964
10 daughter colonies of queens mated at the mating station were tested:
DE-4-1-162-1965 DE-4-1-164-1965 DE-4-1-167-1965 DE-4-1-169-1965 DE-4-1-170-1965 DE-4-1-172-1965 DE-4-1-174-1965 DE-4-1-175-1965 DE-4-1-176-1965 DE-4-1-215-1965