17 daughter colonies of the 4a were tested:
DE-2-128-16-2011 DE-2-128-345-2011 DE-2-128-346-2011 DE-2-128-371-2011 DE-2-128-389-2011 DE-2-128-744-2010 DE-2-128-754-2010 DE-2-128-755-2010 DE-2-128-766-2010 DE-2-128-767-2010 DE-2-128-770-2010 DE-2-128-793-2010 DE-2-232-711-2010 DE-2-232-712-2010 DE-2-232-723-2010 DE-2-232-724-2010 DE-2-232-733-2010
2 tested queens were mated at the mating station:
DE-2-292-17-2014 DE-2-715-214-2014
3 daughter colonies of queens mated at the mating station were tested:
DE-2-715-280-2016 DE-2-715-281-2016 DE-2-715-283-2016