8 daughter colonies of the 4a were tested:
CH-51-12-1311-1982 CH-51-12-1312-1982 CH-51-12-1313-1982 CH-51-12-1440-1982 CH-51-12-1441-1982 CH-51-101-1323-1982 CH-51-105-1320-1982 CH-51-105-1321-1982
10 tested queens were mated at the mating station:
CH-51-100-1564-1983 CH-51-100-1565-1983 CH-51-101-1558-1983 CH-51-101-1559-1983 CH-51-103-1566-1983 CH-51-104-1567-1983 CH-51-105-1560-1983 CH-51-105-1561-1983 CH-51-105-1562-1983 CH-51-105-1563-1983
4 daughter colonies of queens mated at the mating station were tested:
CH-51-103-1668-1984 CH-51-103-1669-1984 CH-51-107-2487-1985 CH-51-107-2488-1985