21 daughter colonies of the 4a were tested:
DE-16-310-37-2019 DE-16-310-40-2019 DE-16-310-43-2019 DE-16-310-44-2019 DE-16-310-45-2019 DE-16-310-50-2019 DE-16-310-54-2019 DE-16-310-55-2019 DE-16-310-56-2019 DE-16-310-101-2020 DE-16-310-104-2020 DE-16-310-105-2020 DE-16-310-107-2020 DE-16-310-108-2020 DE-16-310-119-2020 DE-16-310-120-2020 DE-16-310-127-2020 DE-16-310-128-2020 DE-16-310-129-2020 DE-16-310-130-2020 DE-16-310-135-2020
4 tested queens were mated at the mating station:
DE-16-310-111-2020 DE-16-310-112-2020 DE-16-310-113-2020 DE-16-310-114-2020
No daughter colonies from colonies mated at the station were tested yet.