11 daughter colonies of the 4a were tested:
DE-8-198-9-2018 DE-8-198-10-2018 DE-8-198-153-2019 DE-8-198-179-2019 DE-8-198-190-2019 DE-8-198-191-2019 DE-8-198-193-2019 DE-8-198-194-2019 DE-8-198-198-2019 DE-8-198-201-2019 DE-8-229-47-2018
10 tested queens were mated at the mating station:
DE-8-198-153-2019 DE-8-198-179-2019 DE-8-198-190-2019 DE-8-198-191-2019 DE-8-198-193-2019 DE-8-198-194-2019 DE-8-198-198-2019 DE-8-198-199-2019 DE-8-198-200-2019 DE-8-198-201-2019
No daughter colonies from colonies mated at the station were tested yet.