No daughter colonies of the 4a were tested yet.
8 tested queens were mated at the mating station:
IT-2-36-87-2017 IT-2-36-101-2017 IT-2-36-154-2017 IT-2-36-166-2017 IT-2-36-255-2017 IT-2-36-491-2017 IT-2-36-673-2017 IT-2-36-907-2017
No daughter colonies from colonies mated at the station were tested yet.