6 daughter colonies of the 4a were tested:
DE-2-298-231-2019 DE-2-298-234-2019 DE-2-298-236-2019 DE-2-298-241-2019 DE-2-334-56-2019 DE-2-334-98-2019
2 tested queens were mated at the mating station:
DE-2-366-2-2020 DE-2-366-32-2020
18 daughter colonies of queens mated at the mating station were tested:
DE-2-366-2-2022 DE-2-366-3-2022 DE-2-366-4-2022 DE-2-366-5-2022 DE-2-366-6-2022 DE-2-366-7-2022 DE-2-366-8-2022 DE-2-366-9-2022 DE-2-366-10-2022 DE-2-366-11-2022 DE-2-366-12-2022 DE-2-366-13-2022 DE-2-366-14-2022 DE-2-366-15-2022 DE-2-366-16-2022 DE-2-366-17-2022 DE-2-366-18-2022 DE-2-366-19-2022