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
14 tested queens were mated at the mating station:
DE-4-21-535-1977 DE-4-21-537-1977 DE-4-21-538-1977 DE-4-21-539-1977 DE-4-21-540-1977 DE-4-21-542-1977 DE-4-21-545-1977 DE-4-45-801-1977 DE-4-45-810-1977 DE-4-45-811-1977 DE-4-45-812-1977 DE-4-45-814-1977 DE-4-45-820-1977 DE-4-45-826-1977
7 daughter colonies of queens mated at the mating station were tested:
DE-4-45-943-1979 DE-4-45-944-1979 DE-4-45-945-1979 DE-4-45-948-1979 DE-4-45-950-1979 DE-4-45-951-1979 DE-4-45-952-1979