8 daughter colonies of the 4a were tested:
DE-8-52-1900-1971 DE-8-52-1901-1971 DE-8-52-1902-1971 DE-8-52-1904-1971 DE-8-52-1905-1971 DE-8-52-1906-1971 DE-8-52-1907-1971 DE-8-52-1909-1971
10 tested queens were mated at the mating station:
DE-8-136-2377-1972 DE-8-136-2378-1972 DE-8-136-2381-1972 DE-8-136-2384-1972 DE-8-136-2385-1972 DE-8-136-2387-1972 DE-8-136-2390-1972 DE-8-136-2391-1972 DE-8-136-2392-1972 DE-8-136-2393-1972
19 daughter colonies of queens mated at the mating station were tested:
DE-8-136-52-1973 DE-8-136-54-1973 DE-8-136-60-1973 DE-8-136-61-1973 DE-8-136-77-1973 DE-8-136-79-1973 DE-8-136-2717-1973 DE-8-136-2718-1973 DE-8-136-2720-1973 DE-8-136-2721-1973 DE-8-136-2724-1973 DE-8-136-2726-1973 DE-8-136-2762-1974 DE-8-136-2766-1974 DE-8-136-2769-1974 DE-8-136-2773-1974 DE-8-136-2775-1974 DE-8-136-2776-1974 DE-8-136-2784-1974