7 daughter colonies of the 4a were tested:
DE-4-218-5-1974 DE-4-218-6-1974 DE-4-218-7-1974 DE-4-218-10-1974 DE-4-218-12-1974 DE-4-218-13-1974 DE-4-218-17-1974
7 tested queens were mated at the mating station:
DE-4-91-408-1975 DE-4-91-409-1975 DE-4-91-411-1975 DE-4-91-412-1975 DE-4-91-414-1975 DE-4-91-417-1975 DE-4-91-418-1975
10 daughter colonies of queens mated at the mating station were tested:
DE-4-91-496-1978 DE-4-91-497-1978 DE-4-91-498-1978 DE-4-91-499-1978 DE-4-91-504-1978 DE-4-91-505-1978 DE-4-91-506-1978 DE-4-91-507-1978 DE-4-91-520-1978 DE-4-91-523-1978