No daughter colonies of the 4a were tested yet.
3 tested queens were mated at the mating station:
DE-13-138-112-1964 DE-13-138-113-1964 DE-13-138-116-1964
7 daughter colonies of queens mated at the mating station were tested:
DE-13-14-25-1966 DE-13-138-119-1965 DE-13-138-132-1965 DE-13-138-133-1965 DE-13-138-134-1965 DE-13-138-150-1966 DE-13-138-155-1966