19 daughter colonies of the 4a were tested:
DE-4-3-192-1978 DE-4-3-193-1978 DE-4-3-193-1979 DE-4-3-202-1978 DE-4-3-202-1979 DE-4-3-203-1978 DE-4-3-203-1979 DE-4-3-205-1978 DE-4-3-219-1978 DE-4-3-228-1978 DE-4-3-228-1979 DE-4-3-229-1978 DE-4-3-229-1979 DE-4-178-17-1978 DE-4-178-18-1978 DE-4-178-20-1978 DE-4-178-21-1978 DE-4-178-22-1978 DE-4-178-24-1978
6 tested queens were mated at the mating station:
DE-4-3-291-1980 DE-4-3-292-1980 DE-4-3-293-1980 DE-4-3-294-1980 DE-4-3-295-1980 DE-4-3-296-1980
6 daughter colonies of queens mated at the mating station were tested:
DE-4-3-330-1981 DE-4-3-334-1981 DE-4-3-335-1981 DE-4-3-337-1981 DE-4-3-339-1981 DE-4-3-343-1981