No daughter colonies of the 4a were tested yet.
6 tested queens were mated at the mating station:
DE-4-23-1-1987 DE-4-23-5-1987 DE-4-23-6-1987 DE-4-23-8-1987 DE-4-23-12-1987 DE-4-23-14-1987
No daughter colonies from colonies mated at the station were tested yet.