14 daughter colonies of the 4a were tested:
DE-4-94-88-1974 DE-4-94-89-1971 DE-4-94-90-1971 DE-4-94-92-1971 DE-4-94-93-1971 DE-4-94-94-1971 DE-4-94-96-1971 DE-4-94-102-1971 DE-4-94-146-1972 DE-4-94-151-1972 DE-4-94-154-1972 DE-4-94-155-1972 DE-4-94-156-1972 DE-4-94-224-1973
2 tested queens were mated at the mating station:
DE-4-94-224-1973 DE-4-98-69-1973
12 daughter colonies of queens mated at the mating station were tested:
DE-4-98-26-1975 DE-4-98-27-1975 DE-4-98-32-1975 DE-4-98-40-1975 DE-4-98-44-1975 DE-4-98-51-1975 DE-4-98-52-1975 DE-4-98-64-1975 DE-4-98-65-1975 DE-4-98-67-1975 DE-4-98-68-1975 DE-4-98-70-1975