15 daughter colonies of the 4a were tested:
CH-51-185-36-2014 CH-51-206-8-2014 CH-51-206-12-2014 CH-51-206-24-2014 CH-51-206-41-2014 CH-51-206-47-2014 CH-51-206-61-2014 CH-51-208-55-2014 CH-51-212-50-2014 CH-51-214-1-2014 CH-51-214-9-2014 CH-51-214-12-2014 CH-51-214-13-2014 CH-51-214-50-2014 CH-51-214-89-2014
9 tested queens were mated at the mating station:
CH-51-206-1-2016 CH-51-206-4-2016 CH-51-206-8-2016 CH-51-206-37-2016 CH-51-206-79-2016 CH-51-206-80-2016 CH-51-212-22-2016 CH-51-214-17-2016 CH-51-214-22-2016
No daughter colonies from colonies mated at the station were tested yet.