8 daughter colonies of the 4a were tested:
CH-51-113-5087-1994 CH-51-113-5088-1994 CH-51-113-5095-1994 CH-51-113-5096-1994 CH-51-113-5097-1994 CH-51-113-5098-1994 CH-51-113-5337-1994 CH-51-113-5338-1994
11 tested queens were mated at the mating station:
CH-51-2-6039-1997 CH-51-2-6040-1997 CH-51-205-5838-1997 CH-51-206-5731-1997 CH-51-206-5732-1997 CH-51-206-6001-1997 CH-51-206-6002-1997 CH-51-206-6358-1997 CH-51-208-5770-1997 CH-51-208-5771-1997 CH-51-208-6302-1997
18 daughter colonies of queens mated at the mating station were tested:
CH-51-112-6125-1998 CH-51-205-6347-1998 CH-51-205-6348-1998 CH-51-205-6349-1998 CH-51-205-7328-2000 CH-51-205-7329-2000 CH-51-205-7331-2000 CH-51-205-7332-2000 CH-51-205-7333-2000 CH-51-205-7334-2000 CH-51-205-7335-2000 CH-51-205-7336-2000 CH-51-206-7004-2000 CH-51-206-7006-2000 CH-51-206-7317-2000 CH-51-208-6353-1998 CH-51-208-6698-1998 CH-51-208-7136-1999