2 daughter colonies of the 4a were tested:
CH-50-5-214-2006 CH-50-5-215-2006
5 tested queens were mated at the mating station:
CH-50-5-89-2007 CH-50-5-113-2007 CH-50-5-351-2007 CH-50-5-357-2007 CH-50-5-385-2007
28 daughter colonies of queens mated at the mating station were tested:
CH-50-5-50-2009 CH-50-5-51-2009 CH-50-5-52-2009 CH-50-5-55-2009 CH-50-5-57-2009 CH-50-5-60-2009 CH-50-5-61-2009 CH-50-5-62-2009 CH-50-5-122-2009 CH-50-5-124-2008 CH-50-5-124-2009 CH-50-5-125-2009 CH-50-5-171-2009 CH-50-5-172-2009 CH-50-5-192-2009 CH-50-5-197-2009 CH-50-5-280-2008 CH-50-5-601-2009 CH-50-5-603-2009 CH-50-5-605-2009 CH-50-5-615-2009 CH-50-26-24-2009 CH-50-26-26-2009 CH-50-26-27-2009 CH-50-26-35-2009 CH-50-26-38-2009 CH-50-26-39-2009 CH-50-26-40-2009