No daughter colonies of the 4a were tested yet.
10 tested queens were mated at the mating station:
DE-15-69-20-1987 DE-15-69-21-1987 DE-15-69-22-1987 DE-17-99-56-1987 DE-17-99-57-1987 DE-17-99-58-1987 DE-17-99-59-1987 DE-17-99-60-1987 DE-17-99-61-1987 DE-17-99-64-1987
11 daughter colonies of queens mated at the mating station were tested:
DE-15-69-38-1989 DE-15-69-41-1989 DE-15-69-42-1989 DE-15-69-43-1989 DE-15-69-44-1989 DE-15-69-52-1990 DE-15-69-53-1990 DE-15-69-54-1990 DE-15-69-55-1990 DE-15-69-56-1990 DE-17-99-35-1988