7 daughter colonies of the 4a were tested:
CH-51-1-1301-1980 CH-51-1-1302-1980 CH-51-4-1125-1980 CH-51-4-1126-1980 CH-51-7-1193-1980 CH-51-9-1213-1979 CH-51-160-1335-1978
24 tested queens were mated at the mating station:
CH-51-3-1326-1982 CH-51-3-1327-1982 CH-51-4-1385-1982 CH-51-4-1386-1982 CH-51-8-1457-1982 CH-51-132-1549-1982 CH-51-132-1550-1982 CH-51-132-1551-1982 CH-51-133-1542-1982 CH-51-133-1543-1982 CH-51-133-1544-1982 CH-51-133-1545-1982 CH-51-133-1546-1982 CH-51-133-1547-1982 CH-51-134-1555-1982 CH-51-134-1556-1982 CH-51-134-1674-1982 CH-51-135-1358-1982 CH-51-135-1359-1982 CH-51-135-1360-1982 CH-51-135-1361-1982 CH-51-135-1362-1982 CH-51-135-1363-1982 CH-51-166-1772-1982
24 daughter colonies of queens mated at the mating station were tested:
CH-51-57-1591-1984 CH-51-130-1573-1983 CH-51-130-1574-1983 CH-51-130-1575-1983 CH-51-130-1576-1983 CH-51-132-1980-1985 CH-51-133-1972-1984 CH-51-133-1973-1984 CH-51-133-1974-1984 CH-51-133-2482-1984 CH-51-134-2058-1985 CH-51-135-1538-1983 CH-51-135-1539-1983 CH-51-135-1540-1983 CH-51-135-2249-1985 CH-51-135-2279-1985 CH-51-136-2032-1983 CH-51-166-1773-1984 CH-51-166-1915-1984 CH-51-166-1916-1984 CH-51-166-1918-1985 CH-51-166-1919-1985 CH-51-166-1920-1985 CH-51-202-1941-1984