No daughter colonies of the 4a were tested yet.
7 tested queens were mated at the mating station:
DE-16-13-132-1972 DE-16-13-133-1972 DE-16-13-135-1972 DE-16-13-136-1972 DE-16-13-137-1972 DE-16-13-140-1972 DE-16-13-141-1972
18 daughter colonies of queens mated at the mating station were tested:
DE-16-13-142-1973 DE-16-13-145-1973 DE-16-13-146-1973 DE-16-13-147-1973 DE-16-13-150-1973 DE-16-13-153-1973 DE-16-13-155-1973 DE-16-13-156-1973 DE-16-13-157-1973 DE-16-13-159-1973 DE-16-13-160-1973 DE-16-13-164-1974 DE-16-13-165-1974 DE-16-13-169-1974 DE-16-13-170-1974 DE-16-13-176-1974 DE-16-13-177-1974 DE-16-13-179-1974