21 daughter colonies of the 4a were tested:
DE-2-293-1-2017 DE-2-293-3-2017 DE-2-293-4-2017 DE-2-293-5-2017 DE-2-293-7-2017 DE-2-293-13-2017 DE-2-293-14-2017 DE-2-293-15-2017 DE-2-293-17-2017 DE-2-293-18-2017 DE-2-293-20-2017 DE-2-293-24-2017 DE-2-293-25-2017 DE-2-293-27-2017 DE-2-293-28-2017 DE-2-293-30-2017 DE-2-293-84-2017 DE-2-293-85-2017 DE-2-293-87-2017 DE-2-293-91-2017 DE-2-293-96-2017
6 tested queens were mated at the mating station:
DE-2-293-28-2018 DE-2-347-11-2018 DE-2-347-12-2018 DE-2-347-13-2018 DE-2-347-14-2018 DE-2-347-56-2018
No daughter colonies from colonies mated at the station were tested yet.