No daughter colonies of the 4a were tested yet.
7 tested queens were mated at the mating station:
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
20 daughter colonies of queens mated at the mating station were tested:
DE-16-75-1088-1999 DE-16-75-1089-1999 DE-16-75-1090-1999 DE-16-75-1091-1999 DE-16-75-1165-1999 DE-16-75-1166-1999 DE-16-75-1167-1999 DE-16-75-1168-1999 DE-16-75-1169-1999 DE-16-75-1170-1999 DE-16-75-1197-2000 DE-16-75-1198-2000 DE-16-75-1199-2000 DE-16-75-1200-2000 DE-16-75-1201-2000 DE-16-75-1202-2000 DE-16-75-1203-2000 DE-16-75-1205-2000 DE-16-75-1207-2000 DE-16-75-1208-2000