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
4 tested queens were mated at the mating station:
CH-51-108-5642-1995 CH-51-108-5794-1995 CH-51-115-5367-1995 CH-51-115-5368-1995
2 daughter colonies of queens mated at the mating station were tested:
CH-51-115-5683-1996 CH-51-115-5684-1996