4 daughter colonies of the 4a were tested:
DE-2-132-50-2003 DE-2-132-61-2000 DE-2-132-63-2000 DE-2-132-68-2000
1 tested queens were mated at the mating station:
DE-2-192-94-2001
1 daughter colonies of queens mated at the mating station were tested:
DE-2-192-82-2003