5 daughter colonies of the 4a were tested:
DE-11-31-809-1992 DE-11-31-810-1992 DE-11-31-812-1992 DE-11-31-815-1992 DE-11-31-816-1992
2 tested queens were mated at the mating station:
DE-11-31-383-1993 DE-11-31-405-1993
No daughter colonies from colonies mated at the station were tested yet.