20 daughter colonies of the 4a were tested:
DE-6-1-1866-2014 DE-6-1-1870-2014 DE-6-1-1875-2014 DE-6-1-1879-2014 DE-6-1-1886-2014 DE-6-1-1888-2014 DE-6-1-1889-2014 DE-6-1-1894-2014 DE-6-1-1896-2014 DE-6-1-1901-2014 DE-6-1-1905-2014 DE-6-1-1907-2014 DE-6-1-1915-2014 DE-6-1-1919-2014 DE-6-1-1931-2014 DE-6-1-2025-2014 DE-6-1-2034-2014 DE-6-1-2037-2014 DE-6-1-2039-2014 DE-6-1-2040-2014
16 tested queens were mated at the mating station:
DE-6-1-284-2015 DE-6-1-373-2015 DE-14-170-1-2015 DE-14-170-5-2015 DE-16-328-514-2015 DE-16-328-515-2015 DE-16-328-516-2015 DE-16-328-517-2015 DE-16-328-518-2015 DE-16-328-519-2015 DE-16-328-520-2015 DE-16-328-521-2015 DE-16-328-522-2015 DE-16-328-523-2015 DE-16-328-524-2015 DE-16-328-525-2015
13 daughter colonies of queens mated at the mating station were tested:
DE-14-170-1-2016 DE-14-170-2-2016 DE-14-170-91-2016 DE-14-170-92-2016 DE-14-170-95-2016 DE-16-328-600-2017 DE-16-328-601-2017 DE-16-328-602-2017 DE-16-328-604-2017 DE-16-328-606-2017 DE-16-328-607-2017 DE-16-328-609-2017 DE-16-328-611-2017