No daughter colonies of the 4a were tested yet.
36 tested queens were mated at the mating station:
DE-4-2-1-1972 DE-4-2-2-1972 DE-4-2-3-1972 DE-4-2-4-1972 DE-4-2-5-1972 DE-4-2-6-1972 DE-4-3-6-1972 DE-4-3-7-1972 DE-4-3-12-1972 DE-4-3-14-1972 DE-4-3-17-1972 DE-4-3-18-1972 DE-4-11-74-1972 DE-4-11-75-1972 DE-4-11-76-1972 DE-4-11-77-1972 DE-4-11-78-1972 DE-4-11-79-1972 DE-4-11-115-1972 DE-4-11-116-1972 DE-4-11-117-1972 DE-4-11-118-1972 DE-4-11-119-1972 DE-4-11-120-1972 DE-4-11-170-1972 DE-4-11-171-1972 DE-4-11-175-1972 DE-4-11-176-1972 DE-4-11-177-1972 DE-4-11-180-1972 DE-4-85-130-1972 DE-4-85-134-1972 DE-4-85-135-1972 DE-4-85-136-1972 DE-4-85-138-1972 DE-4-85-139-1972
18 daughter colonies of queens mated at the mating station were tested:
DE-4-2-17-1973 DE-4-3-37-1973 DE-4-11-4-1974 DE-4-11-9-1974 DE-4-11-10-1974 DE-4-11-11-1974 DE-4-11-12-1974 DE-4-11-12-1975 DE-4-11-13-1974 DE-4-85-141-1973 DE-4-85-153-1973 DE-4-85-157-1973 DE-4-85-172-1973 DE-4-85-193-1973 DE-4-85-199-1973 DE-4-85-215-1974 DE-4-85-234-1975 DE-4-85-237-1975