6 daughter colonies of the 4a were tested:
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-51-61-1357-1982
18 tested queens were mated at the mating station:
CH-51-2-1433-1983 CH-51-2-1434-1983 CH-51-2-1435-1983 CH-51-2-1436-1983 CH-51-51-1478-1983 CH-51-53-1490-1983 CH-51-53-1491-1983 CH-51-53-1492-1983 CH-51-56-1508-1983 CH-51-56-1509-1983 CH-51-57-1520-1983 CH-51-57-1521-1983 CH-51-61-1499-1983 CH-51-61-1500-1983 CH-51-61-1501-1983 CH-51-61-1502-1983 CH-51-61-1503-1983 CH-51-240-1785-1983
20 daughter colonies of queens mated at the mating station were tested:
CH-51-50-1921-1985 CH-51-50-1922-1985 CH-51-50-1923-1985 CH-51-50-1924-1985 CH-51-50-1925-1985 CH-51-50-1926-1985 CH-51-50-2459-1985 CH-51-57-1589-1984 CH-51-57-1590-1984 CH-51-61-1906-1985 CH-51-61-2492-1985 CH-51-118-1711-1984 CH-51-241-1981-1985 CH-51-241-1982-1985 CH-51-241-1983-1985 CH-51-241-1984-1985 CH-51-241-1985-1985 CH-51-241-1986-1985 CH-51-241-1987-1985 CH-51-241-1988-1985