No daughter colonies of the 4a were tested yet.
1 tested queens were mated at the mating station:
CH-51-104-1569-1982
5 daughter colonies of queens mated at the mating station were tested:
CH-51-104-1812-1985 CH-51-104-1813-1985 CH-51-104-1814-1985 CH-51-104-1815-1985 CH-51-104-1816-1985