No daughter colonies of the 4a were tested yet.
50 tested queens were mated at the mating station:
DE-4-15-1-1975 DE-4-15-2-1975 DE-4-15-5-1975 DE-4-15-7-1975 DE-4-15-8-1975 DE-4-15-9-1975 DE-4-15-11-1975 DE-4-15-15-1975 DE-4-15-16-1975 DE-4-15-19-1975 DE-4-15-20-1975 DE-4-15-21-1975 DE-4-15-25-1975 DE-4-15-28-1975 DE-4-15-29-1975 DE-4-15-30-1975 DE-4-15-35-1975 DE-4-15-36-1975 DE-4-15-119-1975 DE-4-15-120-1975 DE-4-15-121-1975 DE-4-15-122-1975 DE-4-15-123-1975 DE-4-15-125-1975 DE-4-15-126-1975 DE-4-15-127-1975 DE-4-15-128-1975 DE-4-15-129-1975 DE-4-15-130-1975 DE-4-15-131-1975 DE-4-15-132-1975 DE-4-15-133-1975 DE-4-15-134-1975 DE-4-15-214-1975 DE-4-171-8-1975 DE-4-171-11-1975 DE-4-171-17-1975 DE-4-171-18-1975 DE-4-171-23-1975 DE-4-171-24-1975 DE-4-171-31-1975 DE-4-171-32-1975 DE-4-171-33-1975 DE-4-171-35-1975 DE-4-171-39-1975 DE-4-171-40-1975 DE-4-171-42-1975 DE-4-171-45-1975 DE-4-171-48-1975 DE-4-171-51-1975
32 daughter colonies of queens mated at the mating station were tested:
DE-4-15-9-1979 DE-4-15-10-1979 DE-4-15-11-1979 DE-4-15-12-1979 DE-4-15-13-1979 DE-4-15-14-1979 DE-4-15-16-1979 DE-4-15-18-1979 DE-4-15-19-1979 DE-4-15-29-1979 DE-4-15-32-1979 DE-4-15-33-1979 DE-4-15-36-1979 DE-4-15-37-1979 DE-4-15-42-1979 DE-4-15-44-1979 DE-4-15-48-1979 DE-4-15-49-1979 DE-4-171-2-1979 DE-4-171-3-1979 DE-4-171-6-1979 DE-4-171-8-1979 DE-4-171-9-1979 DE-4-171-11-1979 DE-4-171-17-1979 DE-4-171-20-1979 DE-4-171-24-1979 DE-4-171-30-1979 DE-4-171-31-1979 DE-4-171-32-1979 DE-4-171-37-1979 DE-4-171-38-1979