18 daughter colonies of the 4a were tested:
DE-13-4-104-1974 DE-13-4-106-1974 DE-13-4-107-1974 DE-13-4-109-1974 DE-13-4-110-1974 DE-13-4-111-1974 DE-13-4-112-1974 DE-13-4-113-1974 DE-13-4-115-1974 DE-13-4-156-1974 DE-13-4-158-1974 DE-13-4-160-1974 DE-13-4-161-1974 DE-13-4-162-1974 DE-13-4-163-1974 DE-13-4-164-1974 DE-13-4-169-1974 DE-13-4-171-1974
8 tested queens were mated at the mating station:
DE-13-4-102-1976 DE-13-4-103-1976 DE-13-4-107-1976 DE-13-4-108-1976 DE-13-4-114-1976 DE-13-4-120-1976 DE-13-4-121-1976 DE-13-4-122-1976
19 daughter colonies of queens mated at the mating station were tested:
DE-13-4-70-1978 DE-13-4-72-1978 DE-13-4-73-1978 DE-13-4-74-1978 DE-13-4-76-1978 DE-13-4-77-1978 DE-13-4-79-1978 DE-13-4-110-1978 DE-13-4-111-1978 DE-13-4-112-1978 DE-13-4-113-1978 DE-13-4-114-1978 DE-13-4-115-1978 DE-13-4-231-1977 DE-13-4-233-1977 DE-13-4-234-1977 DE-13-4-259-1977 DE-13-4-269-1977 DE-13-4-274-1977