No daughter colonies of the 4a were tested yet.
7 tested queens were mated at the mating station:
DE-16-303-1-1998 DE-16-303-2-1998 DE-16-303-3-1998 DE-16-303-4-1998 DE-16-303-5-1998 DE-16-303-8-1998 DE-16-303-11-1998
10 daughter colonies of queens mated at the mating station were tested:
DE-16-303-7-2001 DE-16-303-9-2001 DE-16-303-10-2001 DE-16-303-16-2001 DE-16-303-17-2001 DE-16-303-18-2001 DE-16-303-24-2001 DE-16-303-26-2001 DE-16-303-28-2001 DE-16-303-30-2001