18 daughter colonies of the 4a were tested:
CH-51-4-2174-1986 CH-51-8-2336-1986 CH-51-8-2337-1986 CH-51-8-2339-1986 CH-51-9-2328-1986 CH-51-9-2329-1986 CH-51-130-2170-1986 CH-51-130-2303-1986 CH-51-132-2171-1986 CH-51-132-2172-1986 CH-51-132-2300-1986 CH-51-134-2167-1986 CH-51-134-2637-1986 CH-51-135-2169-1986 CH-51-135-2273-1986 CH-51-135-2274-1986 CH-51-136-2173-1986 CH-51-181-2168-1986
3 tested queens were mated at the mating station:
CH-51-181-3045-1989 CH-51-181-3046-1989 CH-51-181-3146-1989
1 daughter colonies of queens mated at the mating station were tested:
CH-51-181-3476-1990