19 daughter colonies of the 4a were tested:
CH-51-108-4887-1994 CH-51-108-4888-1994 CH-51-108-4889-1994 CH-51-108-4890-1994 CH-51-108-4891-1994 CH-51-108-4892-1994 CH-51-108-4894-1994 CH-51-108-4895-1994 CH-51-108-5323-1995 CH-51-108-5324-1995 CH-51-108-5325-1995 CH-51-108-5326-1995 CH-51-108-5643-1995 CH-51-110-4968-1994 CH-51-110-4969-1994 CH-51-110-4970-1994 CH-51-110-4971-1994 CH-51-110-4978-1994 CH-51-110-4979-1994
11 tested queens were mated at the mating station:
CH-51-108-5793-1996 CH-51-108-5804-1996 CH-51-112-5468-1996 CH-51-112-5469-1996 CH-51-112-5871-1996 CH-51-115-5683-1996 CH-51-115-5684-1996 CH-51-131-5742-1996 CH-51-206-5593-1996 CH-51-206-5733-1996 CH-51-206-6109-1996
24 daughter colonies of queens mated at the mating station were tested:
CH-51-108-6648-1999 CH-51-108-6649-1999 CH-51-108-7024-1999 CH-51-112-5871-1996 CH-51-112-5872-1997 CH-51-203-6135-1998 CH-51-203-6136-1998 CH-51-203-6359-1998 CH-51-203-6360-1998 CH-51-203-6361-1998 CH-51-203-6362-1998 CH-51-203-6363-1998 CH-51-203-6578-1998 CH-51-203-6579-1998 CH-51-203-6580-1998 CH-51-203-6581-1998 CH-51-206-6355-1998 CH-51-206-6356-1998 CH-51-206-6442-1999 CH-51-206-6447-1998 CH-51-206-6777-1999 CH-51-206-6778-1999 CH-51-206-6779-1999 CH-51-206-7003-1999