15 daughter colonies of the 4a were tested:
DE-4-4-20-2011 DE-4-4-22-2011 DE-4-4-24-2011 DE-4-4-25-2010 DE-4-4-27-2010 DE-4-4-29-2011 DE-4-4-30-2010 DE-4-4-31-2010 DE-4-4-32-2010 DE-4-4-36-2010 DE-4-4-39-2010 DE-4-293-12-2010 DE-4-293-13-2010 DE-4-293-16-2010 DE-4-293-17-2010
3 tested queens were mated at the mating station:
DE-4-4-21-2012 DE-4-4-23-2012 DE-4-4-26-2012
No daughter colonies from colonies mated at the station were tested yet.