17 daughter colonies of the 4a were tested:
CH-51-54-6152-1998 CH-51-54-6153-1998 CH-51-54-6154-1998 CH-51-54-6512-1999 CH-51-54-6513-1999 CH-51-54-6514-1999 CH-51-54-6515-1999 CH-51-54-6516-1999 CH-51-54-6517-1999 CH-51-113-6223-1998 CH-51-113-6224-1998 CH-51-113-6225-1998 CH-51-113-6544-1999 CH-51-113-6545-1999 CH-51-113-6546-1999 CH-51-113-6547-1999 CH-51-113-6548-1999
26 tested queens were mated at the mating station:
CH-51-100-6993-2000 CH-51-100-6994-2000 CH-51-100-6995-2000 CH-51-100-6996-2000 CH-51-100-6997-2000 CH-51-100-6998-2000 CH-51-100-6999-2000 CH-51-100-7000-2000 CH-51-110-7386-2000 CH-51-110-7387-2000 CH-51-110-7388-2000 CH-51-110-7389-2000 CH-51-110-7390-2000 CH-51-110-7726-2000 CH-51-112-7108-2000 CH-51-112-7109-2000 CH-51-112-7110-2000 CH-51-112-7111-2000 CH-51-112-7112-2000 CH-51-112-7113-2000 CH-51-112-7114-2000 CH-51-112-7474-2000 CH-51-113-7615-2000 CH-51-113-7616-2000 CH-51-113-7617-2000 CH-51-113-7618-2000
8 daughter colonies of queens mated at the mating station were tested:
CH-51-112-7474-2000 CH-51-112-7921-2002 CH-51-112-7922-2002 CH-51-112-7923-2002 CH-51-112-8533-2002 CH-51-113-7896-2002 CH-51-113-7897-2002 CH-51-113-7902-2002