No daughter colonies of the 4a were tested yet.
8 tested queens were mated at the mating station:
DE-2-149-12-1993 DE-2-149-13-1993 DE-2-149-14-1993 DE-2-149-15-1993 DE-2-149-17-1993 DE-2-149-18-1993 DE-2-149-20-1993 DE-2-149-21-1993
No daughter colonies from colonies mated at the station were tested yet.