No daughter colonies of the 4a were tested yet.
2 tested queens were mated at the mating station:
CH-50-3-145-2007 CH-50-3-166-2007
14 daughter colonies of queens mated at the mating station were tested:
CH-50-3-457-2009 CH-50-3-459-2009 CH-50-3-461-2009 CH-50-3-462-2009 CH-50-3-463-2009 CH-50-3-464-2009 CH-50-3-470-2009 CH-50-3-471-2009 CH-50-3-767-2009 CH-50-3-777-2009 CH-50-3-778-2009 CH-50-3-782-2009 CH-50-3-783-2009 CH-50-3-784-2009