18 daughter colonies of the 4a were tested:
DE-8-7-53-2017 DE-8-7-54-2017 DE-8-7-55-2017 DE-8-7-57-2017 DE-8-7-59-2017 DE-8-7-60-2017 DE-8-7-64-2017 DE-8-7-65-2017 DE-8-7-70-2018 DE-8-7-78-2018 DE-8-7-79-2018 DE-8-7-82-2018 DE-8-7-83-2018 DE-8-7-85-2018 DE-8-7-86-2018 DE-8-7-87-2018 DE-8-7-88-2018 DE-8-7-89-2018
5 tested queens were mated at the mating station:
DE-8-192-2-2018 DE-8-192-3-2018 DE-8-192-5-2018 DE-8-192-11-2018 DE-8-192-12-2018
No daughter colonies from colonies mated at the station were tested yet.