26 daughter colonies of the 4a were tested:
DE-8-192-1-2015 DE-8-192-2-2015 DE-8-192-3-2015 DE-8-192-4-2015 DE-8-192-5-2015 DE-8-192-6-2015 DE-8-192-7-2015 DE-8-192-8-2015 DE-8-192-9-2015 DE-8-192-10-2015 DE-8-192-11-2015 DE-8-192-12-2015 DE-8-192-13-2015 DE-8-192-14-2015 DE-8-192-15-2015 DE-8-192-16-2015 DE-8-192-17-2015 DE-8-192-18-2015 DE-8-192-19-2015 DE-8-192-19-2016 DE-8-192-20-2015 DE-8-192-20-2016 DE-8-192-21-2016 DE-8-192-22-2016 DE-8-192-23-2016 DE-8-192-24-2016
2 tested queens were mated at the mating station:
DE-8-192-115-2017 DE-8-192-116-2017
No daughter colonies from colonies mated at the station were tested yet.