12 daughter colonies of the 4a were tested:
DE-18-26-198-2017 DE-18-26-562-2017 DE-18-26-1640-2017 DE-18-26-1641-2017 DE-18-26-1642-2017 DE-18-26-1660-2017 DE-18-26-1661-2017 DE-18-26-1681-2017 DE-18-26-1682-2017 DE-18-26-1683-2017 DE-18-26-1685-2017 DE-18-26-1688-2017
3 tested queens were mated at the mating station:
DE-7-139-1285-2019 DE-7-139-1286-2019 DE-7-168-126-2019
No daughter colonies from colonies mated at the station were tested yet.