14 daughter colonies of the 4a were tested:
CH-51-4-1214-1981 CH-51-4-1215-1981 CH-51-4-1216-1981 CH-51-4-1217-1981 CH-51-4-1218-1981 CH-51-4-1367-1981 CH-51-4-1368-1982 CH-51-4-1369-1982 CH-51-4-1370-1982 CH-51-4-1371-1982 CH-51-4-1372-1982 CH-51-4-1387-1982 CH-51-4-1388-1982 CH-51-4-1389-1982
20 tested queens were mated at the mating station:
CH-51-1-1670-1983 CH-51-1-1671-1983 CH-51-3-1437-1983 CH-51-3-1438-1983 CH-51-3-1439-1983 CH-51-4-1677-1983 CH-51-4-1678-1983 CH-51-8-1392-1983 CH-51-8-1393-1983 CH-51-8-1394-1983 CH-51-8-1395-1983 CH-51-8-1396-1983 CH-51-8-1660-1983 CH-51-15-1656-1983 CH-51-15-1855-1983 CH-51-15-2517-1983 CH-51-132-1552-1983 CH-51-135-1541-1983 CH-51-165-1912-1983 CH-51-165-2456-1983
9 daughter colonies of queens mated at the mating station were tested:
CH-51-4-2077-1985 CH-51-4-2078-1985 CH-51-4-2079-1985 CH-51-4-2422-1985 CH-51-4-2423-1986 CH-51-15-1853-1985 CH-51-15-1854-1985 CH-51-15-2471-1985 CH-51-131-1702-1984