No daughter colonies of the 4a were tested yet.
7 tested queens were mated at the mating station:
CH-52-20-84-2013 CH-52-20-88-2013 CH-52-20-91-2013 CH-52-20-93-2013 CH-52-20-94-2013 CH-52-20-95-2013 CH-52-20-96-2013
3 daughter colonies of queens mated at the mating station were tested:
CH-52-24-520-2015 CH-52-24-521-2015 CH-52-24-522-2015