No daughter colonies of the 4a were tested yet.
7 tested queens were mated at the mating station:
DE-15-27-70-1991 DE-15-27-83-1991 DE-15-29-91-1991 DE-15-29-92-1991 DE-15-29-109-1991 DE-15-29-110-1991 DE-15-29-111-1991
7 daughter colonies of queens mated at the mating station were tested:
DE-15-27-118-1993 DE-15-27-119-1993 DE-15-27-144-1993 DE-15-29-132-1994 DE-15-29-133-1994 DE-15-29-134-1994 DE-15-29-135-1994