34 daughter colonies of the 4a were tested:
CH-51-2-6498-1998 CH-51-4-7103-1998 CH-51-7-6281-1998 CH-51-7-6282-1998 CH-51-7-6283-1998 CH-51-7-6284-1998 CH-51-7-6285-1998 CH-51-12-6175-1998 CH-51-12-6176-1998 CH-51-21-6177-1998 CH-51-21-6178-1998 CH-51-21-6179-1998 CH-51-21-6180-1998 CH-51-21-6572-1998 CH-51-21-6573-1998 CH-51-21-6811-1998 CH-51-22-6488-1998 CH-51-22-6489-1998 CH-51-24-6651-1998 CH-51-25-6709-1998 CH-51-25-6845-1998 CH-51-25-6846-1998 CH-51-25-6847-1998 CH-51-165-6028-1998 CH-51-165-6029-1998 CH-51-165-6030-1998 CH-51-165-6417-1998 CH-51-165-6418-1998 CH-51-165-6419-1998 CH-51-165-6420-1998 CH-51-165-6421-1998 CH-51-165-6422-1998 CH-51-165-6423-1998 CH-51-241-6416-1998
6 tested queens were mated at the mating station:
CH-51-21-7368-2001 CH-51-21-7369-2001 CH-51-21-7370-2001 CH-51-21-7371-2001 CH-51-21-7372-2001 CH-51-21-7373-2001
No daughter colonies from colonies mated at the station were tested yet.