No daughter colonies of the 4a were tested yet.
3 tested queens were mated at the mating station:
DE-15-27-40-1994 DE-15-29-132-1994 DE-15-29-133-1994
2 daughter colonies of queens mated at the mating station were tested:
DE-15-29-97111-1997 DE-15-29-97283-1997