1 daughter colonies of the 4a were tested:
DE-8-141-212-1968
15 tested queens were mated at the mating station:
DE-4-5-154-1971 DE-4-5-156-1971 DE-4-5-157-1971 DE-4-5-159-1971 DE-4-5-160-1971 DE-4-5-161-1971 DE-4-5-164-1971 DE-4-5-165-1971 DE-8-30-5-1971 DE-8-30-6-1971 DE-13-4-36-1971 DE-13-4-37-1971 DE-13-4-38-1971 DE-13-4-39-1971 DE-13-4-40-1971
15 daughter colonies of queens mated at the mating station were tested:
DE-4-73-1106-1973 DE-4-73-1108-1973 DE-4-73-1109-1973 DE-4-73-1110-1973 DE-4-73-1111-1973 DE-4-73-1112-1973 DE-4-73-1113-1973 DE-4-73-1114-1973 DE-8-30-5-1972 DE-8-30-6-1972 DE-8-30-7-1972 DE-8-30-8-1972 DE-8-30-9-1972 DE-8-30-10-1972 DE-8-30-11-1972