No daughter colonies of the 4a were tested yet.
1 tested queens were mated at the mating station:
DE-13-81-106-1974
6 daughter colonies of queens mated at the mating station were tested:
DE-13-81-158-1976 DE-13-81-162-1976 DE-13-81-164-1976 DE-13-81-165-1976 DE-13-81-166-1976 DE-13-81-167-1976