18 daughter colonies of the 4a were tested:
CH-51-4-2182-1986 CH-51-8-2180-1986 CH-51-130-2177-1986 CH-51-130-2301-1986 CH-51-130-2555-1986 CH-51-131-2181-1986 CH-51-131-2565-1986 CH-51-132-2178-1986 CH-51-132-2179-1986 CH-51-132-2299-1986 CH-51-134-2175-1986 CH-51-134-2609-1986 CH-51-135-2275-1986 CH-51-135-2542-1986 CH-51-180-2564-1986 CH-51-181-2176-1986 CH-51-181-2268-1986 CH-51-181-2269-1986
2 tested queens were mated at the mating station:
CH-51-135-3303-1990 CH-51-135-3304-1990
No daughter colonies from colonies mated at the station were tested yet.