7 daughter colonies of the 4a were tested:
AT-99-106-25524-1988 AT-99-106-25525-1988 AT-99-106-25528-1988 AT-99-106-25536-1988 AT-99-106-25539-1988 AT-99-110-25531-1988 AT-99-110-25532-1988
6 tested queens were mated at the mating station:
AT-99-106-24595-1990 AT-99-106-24597-1990 AT-99-106-24599-1990 AT-99-106-24602-1990 AT-99-106-24607-1990 AT-99-110-24930-1990
2 daughter colonies of queens mated at the mating station were tested:
AT-99-106-20364-1991 AT-99-110-14664-1991