No daughter colonies of the 4a were tested yet.
17 tested queens were mated at the mating station:
DE-4-87-42-1976 DE-4-87-43-1976 DE-4-87-44-1976 DE-4-87-45-1976 DE-4-87-46-1976 DE-4-87-47-1976 DE-4-87-48-1976 DE-4-87-49-1976 DE-4-87-50-1976 DE-4-87-51-1976 DE-4-87-52-1976 DE-4-87-53-1976 DE-4-87-54-1976 DE-4-87-55-1976 DE-4-87-56-1976 DE-4-87-57-1976 DE-4-87-58-1976
36 daughter colonies of queens mated at the mating station were tested:
DE-4-56-27-1978 DE-4-56-28-1978 DE-4-56-30-1978 DE-4-56-31-1978 DE-4-56-32-1978 DE-4-56-35-1978 DE-4-56-36-1978 DE-4-56-38-1978 DE-4-56-40-1978 DE-4-87-34-1980 DE-4-87-35-1980 DE-4-87-36-1980 DE-4-87-37-1980 DE-4-87-38-1980 DE-4-87-39-1980 DE-4-87-40-1980 DE-4-87-41-1980 DE-4-87-42-1980 DE-4-87-43-1980 DE-4-87-44-1980 DE-4-87-45-1980 DE-4-87-46-1980 DE-4-87-47-1980 DE-4-87-48-1980 DE-4-87-52-1978 DE-4-87-53-1978 DE-4-87-54-1978 DE-4-87-58-1978 DE-4-87-60-1978 DE-4-87-61-1978 DE-4-87-62-1978 DE-4-87-63-1978 DE-4-87-64-1978 DE-4-87-65-1978 DE-4-87-66-1978 DE-4-87-67-1978