No daughter colonies of the 4a were tested yet.
25 tested queens were mated at the mating station:
DE-8-18-502-1971 DE-8-18-503-1971 DE-8-18-505-1971 DE-8-18-507-1971 DE-8-18-512-1971 DE-8-18-515-1971 DE-8-99-410-1971 DE-8-99-412-1971 DE-8-99-496-1971 DE-8-99-498-1971 DE-8-99-500-1971 DE-8-99-755-1971 DE-8-99-758-1971 DE-8-99-769-1971 DE-8-99-772-1971 DE-8-99-776-1971 DE-8-99-781-1971 DE-8-99-782-1971 DE-8-137-64-1971 DE-8-137-67-1971 DE-8-137-69-1971 DE-8-137-70-1971 DE-8-137-73-1971 DE-8-137-74-1971 DE-8-137-75-1971
13 daughter colonies of queens mated at the mating station were tested:
DE-8-18-568-1972 DE-8-18-654-1972 DE-8-18-664-1972 DE-8-18-667-1972 DE-8-18-668-1972 DE-8-18-669-1972 DE-8-137-114-1974 DE-8-137-115-1974 DE-8-137-116-1974 DE-8-137-117-1974 DE-8-137-119-1974 DE-8-137-120-1974 DE-8-137-121-1974