No daughter colonies of the 4a were tested yet.
12 tested queens were mated at the mating station:
CH-50-6-89-2018 CH-50-60-60053-2018 CH-50-60-60114-2018 CH-50-60-60126-2018 CH-50-60-60127-2018 CH-50-60-60128-2018 CH-50-60-60436-2018 CH-50-150-60391-2018 CH-50-154-60260-2018 CH-50-154-60266-2018 CH-50-159-60153-2018 CH-50-159-60166-2018
30 daughter colonies of queens mated at the mating station were tested:
CH-50-91-60316-2019 CH-50-150-42019-2020 CH-50-150-42023-2020 CH-50-150-42069-2020 CH-50-150-42077-2020 CH-50-150-42301-2020 CH-50-150-42303-2020 CH-50-150-42304-2020 CH-50-150-42305-2020 CH-50-150-42306-2020 CH-50-150-42307-2020 CH-50-159-60004-2019 CH-50-159-60008-2019 CH-50-159-60008-2020 CH-50-159-60010-2020 CH-50-159-60011-2019 CH-50-159-60011-2020 CH-50-159-60012-2020 CH-50-159-60013-2020 CH-50-159-60014-2019 CH-50-159-60014-2020 CH-50-159-60017-2020 CH-50-159-60019-2020 CH-50-159-60031-2019 CH-50-159-60033-2019 CH-50-159-60035-2019 CH-50-159-60037-2020 CH-50-159-60038-2020 CH-50-159-60042-2019 CH-50-159-60159-2019