No daughter colonies of the 4a were tested yet.
9 tested queens were mated at the mating station:
DE-13-73-157-1970 DE-13-73-158-1970 DE-13-73-159-1970 DE-13-73-160-1970 DE-13-73-161-1970 DE-13-73-162-1970 DE-13-73-163-1970 DE-13-73-164-1970 DE-13-73-165-1970
15 daughter colonies of queens mated at the mating station were tested:
DE-13-73-169-1971 DE-13-73-170-1971 DE-13-73-171-1971 DE-13-73-172-1971 DE-13-73-173-1971 DE-13-73-174-1971 DE-13-73-175-1971 DE-13-73-191-1972 DE-13-73-192-1972 DE-13-73-193-1972 DE-13-73-194-1972 DE-13-73-196-1972 DE-13-73-197-1972 DE-13-73-198-1972 DE-13-73-199-1972