18 daughter colonies of the 4a were tested:
DE-2-745-2-2020 DE-2-745-3-2020 DE-2-745-9-2020 DE-2-745-11-2020 DE-2-745-12-2020 DE-2-745-14-2019 DE-2-745-15-2020 DE-2-745-16-2019 DE-2-745-26-2019 DE-2-745-27-2019 DE-2-745-28-2019 DE-2-745-39-2019 DE-2-745-103-2021 DE-2-745-107-2021 DE-2-745-109-2021 DE-2-745-111-2021 DE-2-745-112-2021 DE-2-745-115-2021
6 tested queens were mated at the mating station:
DE-2-745-103-2021 DE-2-745-107-2021 DE-2-745-109-2021 DE-2-745-111-2021 DE-2-745-112-2021 DE-2-745-115-2021
No daughter colonies from colonies mated at the station were tested yet.