No daughter colonies of the 4a were tested yet.
20 tested queens were mated at the mating station:
DE-7-123-8880-1995 DE-7-123-8882-1995 DE-7-123-8883-1995 DE-7-123-8884-1995 DE-7-123-8885-1995 DE-7-136-102-1995 DE-7-136-114-1995 DE-7-136-116-1995 DE-7-136-117-1995 DE-7-136-118-1995 DE-7-136-120-1995 DE-7-136-122-1995 DE-7-136-125-1995 DE-7-138-28-1995 DE-7-138-30-1995 DE-7-138-31-1995 DE-7-138-32-1995 DE-7-138-33-1995 DE-7-138-34-1995 DE-7-138-35-1995
10 daughter colonies of queens mated at the mating station were tested:
DE-7-138-3-1996 DE-7-138-5-1996 DE-7-138-6-1996 DE-7-138-7-1996 DE-7-138-8-1996 DE-7-138-9-1996 DE-7-138-12-1996 DE-7-138-13-1996 DE-7-138-14-1996 DE-7-138-16-1996