No daughter colonies of the 4a were tested yet.
21 tested queens were mated at the mating station:
CH-52-21-190-2014 CH-52-21-192-2014 CH-52-21-193-2014 CH-52-21-195-2014 CH-52-21-196-2014 CH-52-21-198-2014 CH-52-21-209-2014 CH-52-21-212-2014 CH-52-22-152-2014 CH-52-22-153-2014 CH-52-22-161-2014 CH-52-22-162-2014 CH-52-22-177-2014 CH-52-22-179-2014 CH-52-22-304-2014 CH-52-23-268-2014 CH-52-23-269-2014 CH-52-23-272-2014 CH-52-23-275-2014 CH-52-23-287-2014 CH-52-23-289-2014
19 daughter colonies of queens mated at the mating station were tested:
CH-52-21-30-2016 CH-52-21-31-2016 CH-52-21-33-2016 CH-52-21-35-2016 CH-52-21-37-2016 CH-52-21-38-2016 CH-52-21-42-2016 CH-52-21-43-2016 CH-52-21-46-2016 CH-52-21-47-2016 CH-52-21-48-2016 CH-52-21-52-2015 CH-52-21-59-2015 CH-52-21-161-2016 CH-52-21-170-2016 CH-52-22-70-2016 CH-52-22-71-2016 CH-52-22-78-2016 CH-52-23-298-2016