8 daughter colonies of the 4a were tested:
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
12 tested queens were mated at the mating station:
DE-4-5-741-1975 DE-4-5-742-1975 DE-4-5-745-1975 DE-4-5-746-1975 DE-4-5-747-1975 DE-4-5-748-1975 DE-4-5-749-1975 DE-4-5-751-1975 DE-4-5-752-1975 DE-4-5-753-1975 DE-4-5-757-1975 DE-4-5-759-1975
22 daughter colonies of queens mated at the mating station were tested:
DE-4-5-814-1976 DE-4-5-816-1976 DE-4-5-817-1976 DE-4-5-818-1976 DE-4-5-820-1976 DE-4-5-821-1976 DE-4-5-901-1978 DE-4-5-902-1978 DE-4-5-903-1978 DE-4-5-904-1978 DE-4-5-905-1978 DE-4-5-906-1978 DE-4-5-911-1978 DE-4-5-912-1978 DE-4-5-913-1978 DE-4-5-914-1978 DE-4-5-915-1978 DE-4-5-916-1978 DE-4-5-917-1978 DE-4-5-918-1978 DE-4-5-919-1978 DE-4-5-920-1978