15 daughter colonies of the 4a were tested:
CH-52-140-31-2019 CH-52-140-32-2019 CH-52-140-33-2019 CH-52-140-34-2019 CH-52-140-35-2019 CH-52-140-36-2019 CH-52-140-37-2019 CH-52-140-40-2019 CH-52-574-19-2019 CH-52-574-20-2019 CH-52-574-21-2019 CH-52-574-24-2019 CH-52-574-25-2019 CH-52-574-26-2019 CH-52-574-27-2019
26 tested queens were mated at the mating station:
CH-52-140-1-2020 CH-52-140-2-2020 CH-52-140-3-2020 CH-52-140-4-2020 CH-52-140-5-2020 CH-52-140-6-2020 CH-52-140-7-2020 CH-52-140-8-2020 CH-52-140-9-2020 CH-52-140-10-2020 CH-52-140-11-2020 CH-52-140-12-2020 CH-52-140-13-2020 CH-52-140-14-2020 CH-52-140-15-2020 CH-52-140-16-2020 CH-52-140-17-2020 CH-52-140-18-2020 CH-52-140-19-2020 CH-52-140-20-2020 CH-52-140-21-2020 CH-52-140-22-2020 CH-52-140-23-2020 CH-52-140-24-2020 CH-52-140-25-2020 CH-52-140-26-2020
No daughter colonies from colonies mated at the station were tested yet.