14 daughter colonies of the 4a were tested:
DE-2-283-9-2013 DE-2-283-11-2013 DE-2-283-17-2013 DE-12-37-1518-2012 DE-12-37-2167-2013 DE-12-37-2168-2013 DE-12-37-2170-2013 DE-12-37-2171-2013 DE-12-37-2172-2013 DE-12-37-2416-2013 DE-12-37-2418-2013 DE-12-37-2420-2013 AT-99-671-3339-2013 AT-99-671-3345-2013
18 tested queens were mated at the mating station:
DE-7-160-170-2014 DE-11-72-185-2014 DE-11-72-187-2014 DE-11-94-167-2014 DE-11-94-170-2014 DE-11-94-242-2014 DE-11-94-262-2014 DE-11-94-264-2014 DE-11-94-266-2014 DE-11-94-273-2014 DE-11-139-1-2014 DE-11-139-3-2014 DE-11-139-4-2014 DE-12-3-12-2014 DE-12-3-13-2014 DE-12-3-16-2014 DE-12-3-17-2014 DE-12-3-18-2014
12 daughter colonies of queens mated at the mating station were tested:
DE-7-160-117-2015 DE-11-72-57-2016 DE-11-72-60-2016 DE-11-72-62-2016 DE-11-72-63-2016 DE-11-72-67-2016 DE-11-72-71-2016 DE-11-72-113-2016 DE-11-72-135-2016 DE-11-72-168-2016 DE-11-72-169-2016 DE-11-72-171-2016