No daughter colonies of the 4a were tested yet.
19 tested queens were mated at the mating station:
DE-6-4-60-1991 DE-6-4-61-1991 DE-6-4-62-1991 DE-6-4-63-1991 DE-6-4-64-1991 DE-6-4-65-1991 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 DE-17-145-475-1991 DE-17-145-477-1991 DE-17-145-479-1991 DE-17-145-480-1991 DE-17-145-482-1991 DE-17-145-483-1991
23 daughter colonies of queens mated at the mating station were tested:
DE-6-4-1-1994 DE-6-4-6-1994 DE-6-4-8-1993 DE-6-4-10-1994 DE-6-4-12-1993 DE-6-4-18-1994 DE-6-4-20-1994 DE-6-4-56-1993 DE-6-4-525-1993 DE-6-4-526-1993 DE-6-37-523-1993 DE-6-37-524-1993 DE-17-8-4-1992 DE-17-8-5-1992 DE-17-8-6-1992 DE-17-8-9-1992 DE-17-8-10-1992 DE-17-8-11-1992 DE-17-145-1-1994 DE-17-145-6-1994 DE-17-145-10-1994 DE-17-145-18-1994 DE-17-145-20-1994