No daughter colonies of the 4a were tested yet.
9 tested queens were mated at the mating station:
DE-8-74-1901-1975 DE-8-74-1905-1975 DE-8-74-1906-1975 DE-8-74-1912-1975 DE-8-74-1926-1975 DE-8-74-1930-1975 DE-8-74-1932-1975 DE-8-74-1933-1975 DE-8-74-1937-1975
No daughter colonies from colonies mated at the station were tested yet.