No daughter colonies of the 4a were tested yet.
6 tested queens were mated at the mating station:
DE-8-117-503-1976 DE-8-117-504-1976 DE-8-117-510-1976 DE-8-117-518-1976 DE-8-117-522-1976 DE-8-117-535-1976
6 daughter colonies of queens mated at the mating station were tested:
DE-8-117-522-1978 DE-8-117-556-1978 DE-8-117-558-1978 DE-8-117-559-1978 DE-8-117-562-1978 DE-8-117-568-1978