No daughter colonies of the 4a were tested yet.
7 tested queens were mated at the mating station:
DE-1-7-31-2015 DE-1-7-32-2015 DE-1-7-34-2015 DE-1-7-35-2015 DE-1-7-38-2015 DE-1-7-39-2015 DE-1-7-41-2015
11 daughter colonies of queens mated at the mating station were tested:
DE-1-7-135-2017 DE-1-7-136-2017 DE-1-7-148-2017 DE-1-7-153-2017 DE-1-7-154-2017 DE-1-7-204-2017 DE-1-7-207-2017 DE-1-7-209-2017 DE-1-7-218-2017 DE-1-7-219-2017 DE-1-7-220-2017