No daughter colonies of the 4a were tested yet.
6 tested queens were mated at the mating station:
DE-16-75-860-1994 DE-16-75-863-1994 DE-16-75-864-1994 DE-16-75-865-1994 DE-16-75-876-1994 DE-16-75-878-1994
7 daughter colonies of queens mated at the mating station were tested:
DE-16-75-972-1997 DE-16-75-973-1997 DE-16-75-974-1997 DE-16-75-975-1997 DE-16-75-978-1997 DE-16-75-981-1997 DE-16-75-982-1997