8 daughter colonies of the 4a were tested:
CH-51-139-33-2015 CH-51-208-5-2015 CH-51-208-10-2015 CH-51-208-11-2015 CH-51-208-14-2015 CH-51-208-16-2015 CH-51-208-17-2015 CH-51-208-105-2015
10 tested queens were mated at the mating station:
CH-52-26-139-2016 CH-52-26-140-2016 CH-52-26-141-2016 CH-52-26-142-2016 CH-52-26-143-2016 CH-52-26-144-2016 CH-52-26-145-2016 CH-52-26-146-2016 CH-52-26-147-2016 CH-52-26-152-2016
No daughter colonies from colonies mated at the station were tested yet.