No daughter colonies of the 4a were tested yet.
20 tested queens were mated at the mating station:
DE-6-6-2-1995 DE-6-6-3-1995 DE-6-6-5-1995 DE-6-6-6-1995 DE-6-6-7-1995 DE-6-6-11-1995 DE-6-6-13-1995 DE-6-6-14-1995 DE-6-6-16-1995 DE-6-6-22-1995 DE-6-6-23-1995 DE-6-6-25-1995 DE-17-74-301-1995 DE-17-74-302-1995 DE-17-74-303-1995 DE-17-74-304-1995 DE-17-74-305-1995 DE-17-74-306-1995 DE-17-74-307-1995 DE-17-86-1-1995
51 daughter colonies of queens mated at the mating station were tested:
DE-6-6-2-1997 DE-6-6-6-1997 DE-6-6-7-1997 DE-6-6-8-1997 DE-6-6-10-1997 DE-6-6-11-1997 DE-6-6-18-1997 DE-6-6-19-1997 DE-6-6-55-1996 DE-6-6-72-1997 DE-6-6-74-1997 DE-6-6-79-1997 DE-6-6-80-1997 DE-6-6-81-1997 DE-6-6-85-1997 DE-6-6-87-1997 DE-6-6-90-1997 DE-6-79-11-1996 DE-6-79-12-1996 DE-6-79-18-1996 DE-6-79-20-1996 DE-6-93-1-1997 DE-6-93-5-1997 DE-6-93-9-1997 DE-17-74-303-1997 DE-17-74-305-1997 DE-17-74-306-1997 DE-17-74-307-1997 DE-17-74-308-1997 DE-17-74-309-1997 DE-17-74-310-1997 DE-17-74-312-1997 DE-17-74-313-1997 DE-17-74-314-1997 DE-17-74-315-1997 DE-17-74-316-1997 DE-17-75-7-1996 DE-17-75-9-1996 DE-17-75-10-1996 DE-17-75-14-1996 DE-17-75-16-1996 DE-17-75-18-1996 DE-17-75-21-1996 DE-17-75-26-1996 DE-17-86-1-1996 DE-17-86-4-1996 DE-17-86-7-1996 DE-17-86-9-1996 DE-17-86-12-1996 DE-17-86-14-1996 DE-17-86-15-1996