21 daughter colonies of the 4a were tested:
CH-51-206-25-2019 CH-51-208-8-2019 CH-51-208-18-2020 CH-51-208-53-2019 CH-51-208-91-2020 CH-51-208-2399-2020 CH-51-208-5111-2020 CH-51-208-5341-2020 CH-51-208-6949-2020 CH-51-208-7632-2020 CH-51-208-7953-2020 CH-51-208-8612-2020 CH-51-208-9942-2020 CH-51-212-69-2019 CH-51-214-28-2019 CH-51-218-40-2019 CH-51-218-52-2019 CH-51-218-60-2019 CH-51-218-63-2019 CH-51-218-64-2019 CH-51-218-65-2019
7 tested queens were mated at the mating station:
CH-51-212-6-2020 CH-51-212-99-2020 CH-51-214-1-2020 CH-51-214-4-2020 CH-51-214-5-2020 CH-51-214-15-2020 CH-51-214-28-2020
No daughter colonies from colonies mated at the station were tested yet.