8 daughter colonies of the 4a were tested:
DE-13-355-4-2007 DE-13-355-8-2007 DE-13-355-9-2007 DE-13-355-10-2007 DE-13-355-12-2007 DE-13-355-15-2007 DE-13-355-24-2007 DE-13-355-36-2007
26 tested queens were mated at the mating station:
DE-13-355-15-2008 DE-13-355-16-2008 DE-13-355-17-2008 DE-13-355-19-2008 DE-13-355-22-2008 DE-13-355-23-2008 DE-13-355-24-2008 DE-13-355-27-2008 DE-13-377-1-2008 DE-13-377-2-2008 DE-13-377-3-2008 DE-13-377-4-2008 DE-13-377-5-2008 DE-13-377-6-2008 DE-13-377-7-2008 DE-13-377-8-2008 DE-13-377-9-2008 DE-13-400-1-2008 DE-13-400-2-2008 DE-13-400-3-2008 DE-13-400-5-2008 DE-13-400-6-2008 DE-13-400-7-2008 DE-13-400-8-2008 DE-13-400-10-2008 DE-13-400-11-2008
17 daughter colonies of queens mated at the mating station were tested:
DE-13-355-7-2009 DE-13-355-8-2009 DE-13-355-10-2009 DE-13-355-32-2009 DE-13-355-35-2009 DE-13-355-36-2009 DE-13-355-73-2009 DE-13-355-79-2009 DE-13-377-192-2010 DE-13-404-17-2010 DE-13-404-18-2010 DE-13-404-19-2010 DE-13-404-20-2010 DE-13-404-21-2010 DE-13-404-22-2010 DE-13-404-23-2010 DE-13-404-24-2010