No daughter colonies of the 4a were tested yet.
25 tested queens were mated at the mating station:
DE-13-1-67-1970 DE-13-1-68-1970 DE-13-1-69-1970 DE-13-1-70-1970 DE-13-1-71-1970 DE-13-1-72-1970 DE-13-1-73-1970 DE-13-1-75-1970 DE-13-1-76-1970 DE-13-1-77-1970 DE-13-1-78-1970 DE-13-1-79-1970 DE-13-1-80-1970 DE-13-1-81-1970 DE-13-1-82-1970 DE-13-1-83-1970 DE-13-1-84-1970 DE-13-1-85-1970 DE-13-1-86-1970 DE-13-1-87-1970 DE-13-1-88-1970 DE-13-1-89-1970 DE-13-1-90-1970 DE-13-1-91-1970 DE-13-9-590-1970
16 daughter colonies of queens mated at the mating station were tested:
DE-13-9-713-1972 DE-13-9-716-1972 DE-13-9-718-1972 DE-13-9-719-1972 DE-13-9-720-1972 DE-13-9-726-1972 DE-13-9-729-1972 DE-13-9-730-1972 DE-13-9-733-1972 DE-13-9-734-1972 DE-13-9-735-1972 DE-13-9-736-1972 DE-13-9-737-1972 DE-13-9-738-1972 DE-13-9-739-1972 DE-13-9-749-1972