28 daughter colonies of the 4a were tested:
DE-4-5-2652-2015 DE-4-5-2653-2015 DE-4-5-2660-2015 DE-4-5-2715-2015 DE-4-5-2716-2015 DE-4-5-2717-2015 DE-4-5-2719-2015 DE-4-5-2720-2015 DE-4-5-2721-2015 DE-4-5-2722-2015 DE-4-5-2723-2015 DE-4-5-2724-2015 DE-4-5-2884-2017 DE-4-5-2886-2017 DE-4-5-2887-2017 DE-4-5-2889-2017 DE-4-5-2890-2017 DE-4-5-2891-2017 DE-4-5-2892-2017 DE-4-5-2896-2016 DE-4-5-2901-2016 DE-4-5-2956-2017 DE-4-5-2958-2017 DE-4-5-2959-2017 DE-4-5-2961-2017 DE-4-5-2962-2017 DE-4-5-2963-2017 DE-4-5-2964-2017
7 tested queens were mated at the mating station:
DE-4-5-2884-2017 DE-4-5-2886-2017 DE-4-5-2887-2017 DE-4-5-2889-2017 DE-4-5-2890-2017 DE-4-5-2891-2017 DE-4-5-2892-2017
No daughter colonies from colonies mated at the station were tested yet.