16 daughter colonies of the 4a were tested:
DE-4-21-315-1973 DE-4-21-317-1973 DE-4-21-318-1973 DE-4-21-321-1973 DE-4-21-322-1973 DE-4-21-324-1973 DE-4-21-325-1973 DE-4-21-327-1974 DE-4-21-328-1974 DE-4-21-329-1974 DE-4-21-330-1974 DE-4-21-332-1974 DE-4-21-333-1974 DE-4-21-334-1974 DE-4-21-337-1974 DE-4-21-338-1974
8 tested queens were mated at the mating station:
DE-4-21-527-1976 DE-4-21-528-1976 DE-4-21-529-1976 DE-4-21-530-1976 DE-4-21-531-1976 DE-4-21-532-1976 DE-4-21-533-1976 DE-4-21-534-1976
18 daughter colonies of queens mated at the mating station were tested:
DE-4-21-853-1978 DE-4-21-854-1978 DE-4-21-855-1978 DE-4-21-856-1978 DE-4-21-857-1978 DE-4-21-858-1978 DE-4-21-906-1979 DE-4-21-907-1979 DE-4-21-908-1979 DE-4-21-909-1979 DE-4-21-910-1979 DE-4-21-911-1979 DE-4-21-912-1979 DE-4-21-913-1979 DE-4-21-914-1979 DE-4-21-915-1979 DE-4-21-916-1979 DE-4-21-917-1979