No daughter colonies of the 4a were tested yet.
6 tested queens were mated at the mating station:
DE-15-88-3-1997 DE-15-88-4-1997 DE-15-88-5-1997 DE-15-88-6-1997 DE-15-88-7-1997 DE-15-88-8-1997
3 daughter colonies of queens mated at the mating station were tested:
DE-15-88-5-1999 DE-15-88-6-1999 DE-15-88-7-1999