1 daughter colonies of the 4a were tested:
DE-16-73-1123-1968
33 tested queens were mated at the mating station:
DE-16-41-778-1971 DE-16-41-779-1971 DE-16-41-780-1971 DE-16-41-781-1971 DE-16-41-782-1971 DE-16-41-793-1971 DE-16-41-794-1971 DE-16-41-795-1971 DE-16-41-796-1971 DE-16-41-797-1971 DE-16-41-798-1971 DE-16-41-799-1971 DE-16-41-800-1971 DE-16-41-801-1971 DE-16-41-802-1971 DE-16-51-174-1971 DE-16-51-183-1971 DE-16-51-189-1971 DE-16-51-192-1971 DE-16-51-193-1971 DE-16-51-194-1971 DE-16-51-197-1971 DE-16-51-198-1971 DE-16-51-200-1971 DE-16-51-201-1971 DE-16-51-204-1971 DE-16-51-275-1971 DE-16-51-278-1971 DE-16-51-279-1971 DE-16-51-280-1971 DE-16-51-281-1971 DE-16-51-282-1971 DE-16-51-283-1971
14 daughter colonies of queens mated at the mating station were tested:
DE-16-51-52-1972 DE-16-51-54-1972 DE-16-51-55-1972 DE-16-51-56-1972 DE-16-51-59-1972 DE-16-51-60-1972 DE-16-51-64-1972 DE-16-51-65-1972 DE-16-51-296-1973 DE-16-51-297-1973 DE-16-51-298-1973 DE-16-51-299-1973 DE-16-51-300-1973 DE-16-51-304-1973