10 daughter colonies of the 4a were tested:
CH-51-180-6247-1998 CH-51-180-6248-1998 CH-51-180-6598-1999 CH-51-180-6599-1999 CH-51-181-6242-1998 CH-51-181-6243-1998 CH-51-181-6244-1998 CH-51-181-7016-1999 CH-51-208-6696-1999 CH-51-208-7978-2000
2 tested queens were mated at the mating station:
CH-51-137-7303-2000 CH-51-185-7586-2000
No daughter colonies from colonies mated at the station were tested yet.