No daughter colonies of the 4a were tested yet.
14 tested queens were mated at the mating station:
DE-6-6-9-1988 DE-6-6-10-1988 DE-6-6-12-1988 DE-6-6-14-1988 DE-6-6-15-1988 DE-6-6-16-1988 DE-6-6-17-1988 DE-6-6-19-1988 DE-6-6-20-1988 DE-6-6-21-1988 DE-6-6-24-1988 DE-6-6-25-1988 DE-6-6-26-1988 DE-6-6-27-1988
9 daughter colonies of queens mated at the mating station were tested:
DE-6-6-4-1992 DE-6-6-7-1992 DE-6-6-9-1992 DE-6-6-10-1992 DE-6-6-11-1992 DE-6-6-12-1992 DE-6-6-15-1992 DE-6-6-16-1992 DE-6-6-18-1992