1 daughter colonies of the 4a were tested:
DE-16-80-274-1964
1 tested queens were mated at the mating station:
DE-16-73-625-1964
13 daughter colonies of queens mated at the mating station were tested:
DE-16-73-711-1965 DE-16-73-712-1965 DE-16-73-713-1965 DE-16-73-714-1965 DE-16-73-715-1965 DE-16-73-716-1965 DE-16-73-717-1965 DE-16-73-718-1965 DE-16-73-719-1965 DE-16-73-721-1965 DE-16-73-734-1965 DE-16-73-738-1965 DE-16-73-752-1965