15 daughter colonies of the 4a were tested:
DE-4-249-2-2011 DE-4-249-6-2011 DE-4-249-9-2011 DE-4-249-14-2011 DE-4-249-16-2011 DE-4-249-18-2011 DE-4-249-19-2011 DE-4-249-23-2011 DE-4-249-24-2011 DE-4-249-25-2011 DE-4-249-27-2011 DE-4-249-29-2011 DE-4-249-30-2011 DE-4-249-31-2011 DE-4-249-36-2011
22 tested queens were mated at the mating station:
DE-4-270-4-2013 DE-4-270-13-2013 DE-4-270-14-2013 DE-4-270-17-2013 DE-4-270-18-2013 DE-4-270-25-2013 DE-4-270-26-2013 DE-4-278-14-2013 DE-4-278-15-2013 DE-4-278-16-2013 DE-4-278-17-2013 DE-4-278-18-2013 DE-4-278-19-2013 DE-14-156-6-2013 DE-14-156-12-2013 DE-14-156-14-2013 DE-14-156-15-2013 DE-14-156-16-2013 DE-14-156-17-2013 DE-14-156-19-2013 DE-14-156-22-2013 DE-14-156-23-2013
18 daughter colonies of queens mated at the mating station were tested:
DE-4-311-33-2015 DE-4-311-77-2015 DE-4-311-78-2015 DE-4-311-100-2015 DE-4-311-101-2015 DE-4-311-113-2015 DE-4-311-203-2015 DE-4-311-205-2015 DE-4-311-211-2015 DE-4-311-212-2015 DE-4-311-213-2015 DE-4-311-214-2015 DE-4-311-221-2015 DE-4-311-400-2015 DE-4-311-401-2015 DE-4-311-403-2015 DE-4-311-540-2015 DE-4-311-541-2015