No daughter colonies of the 4a were tested yet.
30 tested queens were mated at the mating station:
DE-14-122-14-2017 DE-14-129-24-2017 DE-14-129-91-2017 DE-14-129-93-2017 DE-14-129-133-2017 DE-14-129-135-2017 DE-14-129-136-2017 DE-14-129-140-2017 DE-14-129-167-2017 DE-14-142-6-2017 DE-14-142-9-2017 DE-14-142-11-2017 DE-14-142-13-2017 DE-14-142-15-2017 DE-14-142-17-2017 DE-14-142-18-2017 DE-14-142-19-2017 DE-14-142-20-2017 DE-14-142-21-2017 DE-14-142-29-2017 DE-14-169-15-2017 DE-14-170-3-2017 DE-14-170-4-2017 DE-14-170-14-2017 DE-14-170-16-2017 DE-14-170-17-2017 DE-14-170-20-2017 DE-14-170-28-2017 DE-14-184-2-2017 DE-14-184-5-2017
6 daughter colonies of queens mated at the mating station were tested:
DE-14-129-238-2019 DE-14-170-40-2019 DE-14-170-44-2019 DE-14-170-47-2019 DE-14-170-50-2019 BE-1-600-907-2018