No daughter colonies of the 4a were tested yet.
5 tested queens were mated at the mating station:
CH-50-1-3-2003 CH-50-1-29-2003 CH-50-1-68-2003 CH-50-1-249-2003 CH-50-1-785-2003
1 daughter colonies of queens mated at the mating station were tested:
CH-50-1-228-2005