5 daughter colonies of the 4a were tested:
CH-51-6-1429-1983 CH-51-6-2036-1984 CH-51-13-1648-1984 CH-51-13-1649-1984 CH-51-13-1650-1984
2 tested queens were mated at the mating station:
CH-51-13-2398-1986 CH-51-13-2399-1986
No daughter colonies from colonies mated at the station were tested yet.