52 daughter colonies of the 4a were tested:
DE-19-40-37-2018 DE-19-40-40-2018 DE-19-40-41-2018 DE-19-40-53-2018 DE-19-40-57-2016 DE-19-40-58-2016 DE-19-40-58-2018 DE-19-40-59-2018 DE-19-40-61-2018 DE-19-40-62-2018 DE-19-40-63-2018 DE-19-40-71-2016 DE-19-40-81-2018 DE-19-40-87-2017 DE-19-40-89-2017 DE-19-40-90-2017 DE-19-40-91-2017 DE-19-40-97-2017 DE-19-40-98-2017 DE-19-40-99-2017 DE-19-40-100-2017 DE-19-40-105-2018 DE-19-40-106-2018 DE-19-40-109-2018 DE-19-40-112-2018 DE-19-40-154-2018 DE-19-40-157-2018 DE-19-40-162-2018 DE-19-40-163-2016 DE-19-40-163-2018 DE-19-40-167-2017 DE-19-40-173-2017 DE-19-40-174-2017 DE-19-40-181-2016 DE-19-40-183-2016 DE-19-40-187-2016 DE-19-40-206-2018 DE-19-40-207-2018 DE-19-40-209-2018 DE-19-40-213-2018 DE-19-40-214-2017 DE-19-40-214-2018 DE-19-40-218-2017 DE-19-120-62-2016 DE-19-120-68-2016 DE-19-120-160-2016 DE-19-120-161-2016 DE-19-188-42-2018 DE-19-188-60-2018 DE-19-188-64-2018 DE-19-188-67-2018 DE-19-188-70-2018
30 tested queens were mated at the mating station:
DE-19-40-21-2019 DE-19-40-29-2019 DE-19-40-37-2019 DE-19-40-54-2019 DE-19-40-57-2019 DE-19-40-58-2019 DE-19-40-81-2019 DE-19-40-108-2019 DE-19-40-125-2019 DE-19-40-139-2019 DE-19-40-141-2019 DE-19-40-152-2019 DE-19-40-173-2019 DE-19-40-254-2019 DE-19-40-256-2019 DE-19-40-265-2019 DE-19-40-266-2019 DE-19-40-267-2019 DE-19-40-268-2019 DE-19-40-269-2019 DE-19-119-5019-2019 DE-19-119-6119-2019 DE-19-119-7019-2019 DE-19-119-7219-2019 DE-19-119-7419-2019 DE-19-119-7719-2019 DE-19-179-10-2019 DE-19-179-22-2019 DE-19-179-24-2019 DE-19-179-28-2019
5 daughter colonies of queens mated at the mating station were tested:
DE-19-40-356-2020 DE-19-40-360-2020 DE-19-119-2722-2022 DE-19-119-2723-2022 DE-19-119-2724-2022