19 daughter colonies of the 4a were tested:
DE-13-4-113-1973 DE-13-4-115-1973 DE-13-4-116-1973 DE-13-4-118-1973 DE-13-4-119-1973 DE-13-4-120-1973 DE-13-4-121-1973 DE-13-4-123-1973 DE-13-4-293-1972 DE-13-4-295-1972 DE-13-4-297-1972 DE-13-4-298-1972 DE-13-4-329-1972 DE-13-4-330-1972 DE-13-4-331-1972 DE-13-4-332-1972 DE-13-4-333-1972 DE-13-4-336-1972 DE-13-4-338-1972
9 tested queens were mated at the mating station:
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
8 daughter colonies of queens mated at the mating station were tested:
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