19 daughter colonies of the 4a were tested:
DE-15-71-1-2019 DE-15-71-3-2019 DE-15-71-5-2019 DE-15-71-14-2019 DE-15-71-16-2019 DE-15-71-18-2019 DE-15-142-1-2018 DE-15-142-1-2019 DE-15-142-2-2019 DE-15-142-3-2018 DE-15-142-3-2019 DE-15-142-4-2018 DE-15-142-4-2019 DE-15-142-5-2018 DE-15-142-5-2019 DE-15-142-6-2018 DE-15-142-6-2019 DE-15-142-7-2018 DE-15-142-7-2019
16 tested queens were mated at the mating station:
DE-15-69-1-2020 DE-15-69-26-2020 DE-15-69-29-2020 DE-15-69-32-2020 DE-15-69-36-2020 DE-15-69-38-2020 DE-15-69-43-2020 DE-15-69-44-2020 DE-15-69-47-2020 DE-15-69-50-2020 DE-15-69-71-2020 DE-15-69-77-2020 DE-15-69-93-2020 DE-15-69-97-2020 DE-15-69-147-2020 DE-15-69-151-2020
No daughter colonies from colonies mated at the station were tested yet.