No daughter colonies of the 4a were tested yet.
4 tested queens were mated at the mating station:
DE-8-2-1-1962 DE-8-2-4-1962 DE-8-2-5-1962 DE-8-2-6-1962
8 daughter colonies of queens mated at the mating station were tested:
DE-8-2-3-1963 DE-8-2-4-1963 DE-8-2-6-1963 DE-8-2-7-1963 DE-8-2-8-1963 DE-8-2-9-1963 DE-8-2-10-1963 DE-8-2-12-1963