No daughter colonies of the 4a were tested yet.
11 tested queens were mated at the mating station:
DE-4-60-1-1971 DE-4-60-3-1971 DE-4-60-4-1971 DE-4-60-9-1971 DE-4-60-10-1971 DE-4-60-11-1971 DE-4-60-12-1971 DE-4-60-14-1971 DE-4-60-17-1971 DE-4-60-18-1971 DE-4-60-19-1971
24 daughter colonies of queens mated at the mating station were tested:
DE-4-60-1-1973 DE-4-60-1-1974 DE-4-60-2-1974 DE-4-60-3-1974 DE-4-60-4-1973 DE-4-60-4-1974 DE-4-60-5-1973 DE-4-60-6-1973 DE-4-60-9-1974 DE-4-60-11-1974 DE-4-60-12-1973 DE-4-60-13-1973 DE-4-60-14-1974 DE-4-60-15-1973 DE-4-60-16-1974 DE-4-60-18-1973 DE-4-60-21-1973 DE-4-60-24-1973 DE-4-60-27-1973 DE-4-60-32-1973 DE-4-60-37-1973 DE-4-60-38-1973 DE-4-60-41-1973 DE-4-60-2173-1973