No daughter colonies of the 4a were tested yet.
8 tested queens were mated at the mating station:
DE-15-97-1-2016 DE-15-97-2-2016 DE-15-97-5-2016 DE-15-97-6-2016 DE-15-97-8-2016 DE-15-97-11-2016 DE-15-97-13-2016 DE-15-97-22-2016
4 daughter colonies of queens mated at the mating station were tested:
DE-15-97-18-2017 DE-15-97-22-2017 DE-15-97-52-2018 DE-15-156-9-2017