No daughter colonies of the 4a were tested yet.
7 tested queens were mated at the mating station:
DE-16-90-262-1971 DE-16-90-272-1971 DE-16-90-274-1971 DE-16-90-276-1971 DE-16-90-284-1971 DE-16-90-286-1971 DE-16-90-291-1971
12 daughter colonies of queens mated at the mating station were tested:
DE-16-90-353-1974 DE-16-90-358-1974 DE-16-90-364-1974 DE-16-90-365-1974 DE-16-90-370-1974 DE-16-90-371-1974 DE-16-90-373-1974 DE-16-90-374-1974 DE-16-90-376-1974 DE-16-90-377-1974 DE-16-90-378-1974 DE-16-90-379-1974