4 daughter colonies of the 4a were tested:
DE-6-1-31402-1992 DE-6-1-31409-1992 DE-6-1-31410-1992 DE-6-1-31411-1992
25 tested queens were mated at the mating station:
DE-6-1-113-1994 DE-6-1-114-1994 DE-6-1-117-1994 DE-6-1-120-1994 DE-6-1-121-1994 DE-6-1-122-1994 DE-6-1-123-1994 DE-6-1-124-1994 DE-6-1-134-1994 DE-6-1-136-1994 DE-6-1-138-1994 DE-6-1-139-1994 DE-6-1-140-1994 DE-6-1-142-1994 DE-6-1-143-1994 DE-6-1-144-1994 DE-6-1-145-1994 DE-6-1-146-1994 DE-6-1-148-1994 DE-6-1-151-1994 DE-6-1-153-1994 DE-6-1-154-1994 DE-6-1-156-1994 DE-6-1-161-1994 DE-6-1-162-1994
12 daughter colonies of queens mated at the mating station were tested:
DE-6-1-212-1997 DE-6-1-213-1997 DE-6-1-215-1997 DE-6-1-218-1997 DE-6-1-639-1997 DE-6-1-693-1997 DE-6-1-706-1997 DE-6-1-707-1997 DE-6-1-708-1997 DE-6-1-709-1997 DE-6-1-710-1997 DE-6-1-711-1997