11 daughter colonies of the 4a were tested:
DE-2-152-4-2017 DE-2-152-14-2017 DE-2-152-17-2015 DE-2-152-18-2015 DE-2-152-23-2016 DE-2-152-27-2016 DE-2-152-31-2016 DE-2-152-33-2015 DE-2-152-35-2017 DE-2-152-41-2015 DE-2-152-55-2015
6 tested queens were mated at the mating station:
DE-2-745-14-2019 DE-2-745-16-2019 DE-2-745-26-2019 DE-2-745-27-2019 DE-2-745-28-2019 DE-2-745-39-2019
No daughter colonies from colonies mated at the station were tested yet.