No daughter colonies of the 4a were tested yet.
11 tested queens were mated at the mating station:
BE-2-1-1-2019 BE-2-1-3-2019 BE-2-1-4-2019 BE-2-1-5-2019 BE-2-2-1-2019 BE-2-999-8-2019 BE-2-999-10-2019 BE-2-999-16-2019 BE-2-999-77-2019 BE-2-999-78-2019 BE-2-999-85-2019
8 daughter colonies of queens mated at the mating station were tested:
BE-2-1-5-2020 BE-2-1-11-2020 BE-2-1-14-2020 BE-2-1-25-2020 BE-2-1-27-2020 BE-2-9-32-2020 BE-2-15-51-2020 BE-2-15-52-2020