2 daughter colonies of the 4a were tested:
DE-16-161-1185-1966 DE-16-161-1188-1966
12 tested queens were mated at the mating station:
DE-4-1-1232-1969 DE-4-1-1233-1969 DE-4-1-1237-1969 DE-4-1-1240-1969 DE-8-2-16-1969 DE-8-2-17-1969 DE-8-2-18-1969 DE-8-2-21-1969 DE-8-2-23-1969 DE-8-2-24-1969 DE-8-2-25-1969 DE-8-2-26-1969
8 daughter colonies of queens mated at the mating station were tested:
DE-4-1-124-1971 DE-14-20-82-1972 DE-14-20-83-1972 DE-14-20-84-1972 DE-14-20-85-1972 DE-14-20-86-1972 DE-14-20-87-1972 DE-14-20-88-1972