2 daughter colonies of the 4a were tested:
CH-51-20-5714-1997 CH-51-20-6076-1997
5 tested queens were mated at the mating station:
CH-51-10-6456-1998 CH-51-20-6074-1998 CH-51-20-6075-1998 CH-51-20-6080-1998 CH-51-20-6084-1998
No daughter colonies from colonies mated at the station were tested yet.