No daughter colonies of the 4a were tested yet.
5 tested queens were mated at the mating station:
CH-50-3-32-1999 CH-50-3-57-1999 CH-50-3-81-1999 CH-50-3-263-1999 CH-50-3-308-1999
3 daughter colonies of queens mated at the mating station were tested:
CH-50-3-63-2001 CH-50-3-213-2001 CH-50-3-262-2002