No daughter colonies of the 4a were tested yet.
13 tested queens were mated at the mating station:
DE-4-53-1-1987 DE-4-53-2-1987 DE-4-53-3-1987 DE-4-53-4-1987 DE-4-58-1-1987 DE-4-58-2-1987 DE-4-58-3-1987 DE-4-58-4-1987 DE-4-58-5-1987 DE-4-58-6-1987 DE-4-220-2-1987 DE-4-220-3-1987 DE-4-220-4-1987
8 daughter colonies of queens mated at the mating station were tested:
DE-4-53-5-1988 DE-4-53-6-1988 DE-4-53-7-1988 DE-4-53-8-1988 DE-4-53-9-1988 DE-4-53-10-1988 DE-4-53-11-1988 DE-4-53-12-1988