12 daughter colonies of the 4a were tested:
DE-19-141-520-2020 DE-19-141-620-2020 DE-19-141-1020-2020 DE-19-141-1320-2020 DE-19-141-1420-2020 DE-19-141-2020-2020 DE-19-173-420-2020 DE-19-173-520-2020 DE-19-173-720-2020 DE-19-173-820-2020 DE-19-173-920-2020 DE-19-173-1020-2020
2 tested queens were mated at the mating station:
DE-19-203-26-2021 DE-19-203-30-2021
No daughter colonies from colonies mated at the station were tested yet.