No daughter colonies of the 4a were tested yet.
20 tested queens were mated at the mating station:
DE-16-31-227-1974 DE-16-37-164-1974 DE-16-37-165-1974 DE-16-37-166-1974 DE-16-37-167-1974 DE-16-37-168-1974 DE-16-37-169-1974 DE-16-37-188-1974 DE-16-37-189-1974 DE-16-37-190-1974 DE-16-37-191-1974 DE-16-37-192-1974 DE-16-37-193-1974 DE-16-37-194-1974 DE-16-37-195-1974 DE-16-37-196-1974 DE-16-37-197-1974 DE-16-37-198-1974 DE-16-37-199-1974 DE-16-37-200-1974
27 daughter colonies of queens mated at the mating station were tested:
DE-16-31-239-1975 DE-16-31-241-1975 DE-16-31-242-1975 DE-16-31-252-1975 DE-16-31-261-1975 DE-16-31-263-1975 DE-16-31-264-1975 DE-16-31-265-1975 DE-16-37-321-1975 DE-16-37-322-1975 DE-16-37-323-1975 DE-16-37-324-1975 DE-16-37-325-1975 DE-16-37-326-1975 DE-16-37-327-1975 DE-16-37-328-1975 DE-16-37-329-1975 DE-16-37-330-1975 DE-16-37-331-1975 DE-16-37-332-1975 DE-16-37-333-1975 DE-16-37-334-1975 DE-16-37-335-1975 DE-16-37-336-1975 DE-16-37-337-1975 DE-16-37-338-1975 DE-16-37-339-1975