6 daughter colonies of the 4a were tested:
DE-4-240-12-1993 DE-4-240-14-1993 DE-4-240-15-1993 DE-4-240-16-1993 DE-4-240-18-1993 DE-4-240-20-1993
16 tested queens were mated at the mating station:
DE-4-240-65-1994 DE-4-240-66-1994 DE-4-240-67-1994 DE-4-240-69-1994 DE-4-240-70-1994 DE-4-240-72-1994 DE-4-240-73-1994 DE-4-240-74-1994 DE-4-240-76-1994 DE-4-240-77-1994 DE-4-240-78-1994 DE-4-240-79-1994 DE-4-240-80-1994 DE-4-240-81-1994 DE-4-240-83-1994 DE-4-240-84-1994
12 daughter colonies of queens mated at the mating station were tested:
DE-4-240-136-1996 DE-4-240-137-1996 DE-4-240-138-1996 DE-4-240-139-1996 DE-4-240-144-1996 DE-4-240-146-1996 DE-4-240-147-1996 DE-4-240-149-1996 DE-4-240-150-1996 DE-4-240-152-1996 DE-4-240-155-1996 DE-4-240-156-1996