5 daughter colonies of the 4a were tested:
DE-13-138-71-1958 DE-13-138-76-1958 DE-13-138-90-1959 DE-13-138-91-1959 DE-13-138-92-1959
2 tested queens were mated at the mating station:
DE-13-138-213-1961 DE-13-138-214-1961
No daughter colonies from colonies mated at the station were tested yet.