18 daughter colonies of the 4a were tested:
DE-4-21-381-1975 DE-4-21-383-1975 DE-4-21-384-1975 DE-4-21-386-1975 DE-4-21-387-1975 DE-4-21-389-1975 DE-4-21-390-1975 DE-4-21-391-1975 DE-4-21-446-1976 DE-4-21-448-1976 DE-4-21-451-1976 DE-4-21-453-1976 DE-4-21-454-1976 DE-4-21-456-1976 DE-4-21-460-1976 DE-4-21-462-1976 DE-4-21-463-1976 DE-4-21-464-1976
17 tested queens were mated at the mating station:
DE-4-21-853-1978 DE-4-21-854-1978 DE-4-21-855-1978 DE-4-21-856-1978 DE-4-21-857-1978 DE-4-21-858-1978 DE-4-45-916-1978 DE-4-45-917-1978 DE-4-45-918-1978 DE-4-45-919-1978 DE-4-45-920-1978 DE-4-45-921-1978 DE-4-45-923-1978 DE-4-45-924-1978 DE-4-45-926-1978 DE-4-45-930-1978 DE-4-45-934-1978
12 daughter colonies of queens mated at the mating station were tested:
DE-4-21-944-1980 DE-4-21-945-1980 DE-4-21-946-1980 DE-4-21-947-1980 DE-4-21-948-1980 DE-4-21-949-1980 DE-4-21-950-1980 DE-4-21-951-1980 DE-4-21-952-1980 DE-4-21-953-1980 DE-4-21-954-1980 DE-4-21-955-1980