No daughter colonies of the 4a were tested yet.
21 tested queens were mated at the mating station:
DE-6-1-26221-1988 DE-6-1-26223-1988 DE-6-1-26224-1988 DE-6-1-26226-1988 DE-6-1-26228-1988 DE-6-1-26229-1988 DE-6-1-26230-1988 DE-6-4-26-1988 DE-6-4-29-1988 DE-6-4-32-1988 DE-6-4-33-1988 DE-6-4-34-1988 DE-6-4-35-1988 DE-6-4-36-1988 DE-6-146-334-1988 DE-6-146-337-1988 DE-17-8-26-1988 DE-17-8-103-1988 DE-17-8-104-1988 DE-17-8-105-1988 DE-17-8-106-1988
14 daughter colonies of queens mated at the mating station were tested:
DE-6-37-511-1992 DE-6-37-512-1992 DE-6-146-392-1989 DE-6-146-395-1989 DE-6-146-413-1989 DE-6-146-417-1989 DE-6-146-425-1989 DE-17-8-2-1991 DE-17-8-3-1991 DE-17-8-4-1991 DE-17-8-5-1991 DE-17-8-6-1991 DE-17-8-7-1991 DE-17-8-8-1991