15 daughter colonies of the 4a were tested:
DE-4-72-2-1994 DE-4-72-4-1994 DE-4-72-5-1994 DE-4-72-11-1994 DE-4-72-17-1994 DE-4-72-21-1994 DE-4-72-22-1994 DE-4-72-23-1994 DE-4-72-24-1994 DE-4-72-26-1994 DE-4-72-27-1994 DE-4-72-28-1994 DE-4-72-29-1994 DE-4-72-30-1994 DE-4-72-32-1994
6 tested queens were mated at the mating station:
DE-4-72-54-1996 DE-4-72-55-1996 DE-4-72-59-1996 DE-4-72-60-1996 DE-4-72-61-1996 DE-4-72-62-1996
No daughter colonies from colonies mated at the station were tested yet.