25 daughter colonies of the 4a were tested:
DE-4-311-113-2018 DE-4-311-114-2018 DE-4-311-115-2018 DE-4-311-116-2018 DE-4-311-308-2018 DE-4-311-309-2018 DE-4-311-397-2020 DE-4-311-398-2020 DE-4-311-601-2018 DE-4-311-602-2018 DE-4-311-701-2018 DE-4-311-701-2019 DE-4-311-702-2018 DE-4-311-702-2019 DE-4-311-703-2019 DE-4-311-704-2019 DE-4-311-705-2019 DE-4-311-706-2019 DE-4-311-707-2019 DE-4-311-708-2019 DE-4-311-709-2019 DE-4-311-710-2019 DE-4-311-711-2019 DE-4-311-712-2019 DE-4-311-713-2019
15 tested queens were mated at the mating station:
DE-4-311-607-2019 DE-4-311-608-2019 DE-4-311-701-2019 DE-4-311-702-2019 DE-4-311-703-2019 DE-4-311-704-2019 DE-4-311-705-2019 DE-4-311-706-2019 DE-4-311-707-2019 DE-4-311-708-2019 DE-4-311-709-2019 DE-4-311-710-2019 DE-4-311-711-2019 DE-4-311-712-2019 DE-4-311-713-2019
18 daughter colonies of queens mated at the mating station were tested:
DE-4-311-701-2022 DE-4-311-707-2022 DE-4-311-710-2022 DE-4-311-716-2020 DE-4-311-717-2020 DE-4-311-718-2020 DE-4-311-719-2020 DE-4-311-721-2020 DE-4-311-722-2020 DE-4-311-723-2020 DE-4-311-723-2022 DE-4-311-736-2022 DE-4-311-739-2022 DE-4-311-758-2021 DE-4-311-759-2021 DE-4-311-760-2021 DE-4-311-761-2021 DE-4-311-762-2021