No daughter colonies of the 4a were tested yet.
11 tested queens were mated at the mating station:
DE-8-18-1500-1978 DE-8-18-1501-1978 DE-8-18-1502-1978 DE-8-18-1504-1978 DE-8-18-1506-1978 DE-8-18-1508-1978 DE-8-18-1509-1978 DE-8-18-1530-1978 DE-8-18-1535-1978 DE-8-18-1540-1978 DE-8-18-1542-1978
No daughter colonies from colonies mated at the station were tested yet.