No daughter colonies of the 4a were tested yet.
2 tested queens were mated at the mating station:
DE-4-60-29-1970 DE-13-279-180-1970
8 daughter colonies of queens mated at the mating station were tested:
DE-13-279-310-1972 DE-13-279-311-1972 DE-13-279-312-1972 DE-13-279-313-1972 DE-13-279-314-1972 DE-13-279-315-1972 DE-13-279-316-1972 DE-13-279-317-1972