No daughter colonies of the 4a were tested yet.
2 tested queens were mated at the mating station:
DE-6-6-5-1994 DE-6-6-10-1994
12 daughter colonies of queens mated at the mating station were tested:
DE-6-6-2-1995 DE-6-6-3-1995 DE-6-6-5-1995 DE-6-6-6-1995 DE-6-6-7-1995 DE-6-6-11-1995 DE-6-6-13-1995 DE-6-6-14-1995 DE-6-6-16-1995 DE-6-6-22-1995 DE-6-6-23-1995 DE-6-6-25-1995