4 daughter colonies of the 4a were tested:
CH-50-52-50425-2017 CH-50-52-50431-2017 CH-50-52-50433-2017 CH-50-52-50434-2017
9 tested queens were mated at the mating station:
CH-50-62-50136-2018 CH-50-138-50018-2018 CH-50-138-50020-2018 CH-50-138-50027-2018 CH-50-138-50076-2018 CH-50-138-50081-2018 CH-50-138-50084-2018 CH-50-138-50157-2018 CH-50-154-50137-2018
12 daughter colonies of queens mated at the mating station were tested:
CH-50-62-70704-2021 CH-50-66-10721-2019 CH-50-138-50485-2020 CH-50-138-50636-2020 CH-50-138-50646-2020 CH-50-138-50709-2020 CH-50-138-50712-2020 CH-50-138-50716-2020 CH-50-138-50719-2020 CH-50-138-51162-2020 CH-50-138-51172-2020 CH-50-138-51173-2020