No daughter colonies of the 4a were tested yet.
7 tested queens were mated at the mating station:
CH-51-51-1173-1980 CH-51-51-1174-1980 CH-51-51-1183-1980 CH-51-51-1184-1980 CH-51-51-1185-1980 CH-51-51-1186-1980 CH-51-58-1160-1980
23 daughter colonies of queens mated at the mating station were tested:
CH-51-6-1426-1982 CH-51-7-1645-1983 CH-51-8-1377-1982 CH-51-8-1378-1982 CH-51-8-1379-1982 CH-51-8-1662-1983 CH-51-13-1292-1982 CH-51-13-1293-1982 CH-51-13-1366-1982 CH-51-51-1354-1982 CH-51-51-1355-1982 CH-51-51-1356-1982 CH-51-51-1364-1982 CH-51-51-1365-1982 CH-51-51-1471-1983 CH-51-51-1472-1983 CH-51-51-1473-1983 CH-51-51-1474-1983 CH-51-51-1475-1983 CH-51-53-1493-1983 CH-51-53-1494-1983 CH-51-53-1495-1983 CH-51-61-1357-1982