No daughter colonies of the 4a were tested yet.
6 tested queens were mated at the mating station:
DE-2-156-96-1997 DE-2-156-271-1997 DE-2-602-110-1997 DE-2-602-114-1997 DE-2-602-147-1997 DE-2-603-387-1997
No daughter colonies from colonies mated at the station were tested yet.