6 daughter colonies of the 4a were tested:
DE-8-90-2441-1984 DE-8-90-2442-1984 DE-8-90-2443-1984 DE-8-90-2444-1984 DE-8-90-2446-1984 DE-8-90-2447-1984
8 tested queens were mated at the mating station:
DE-8-4-81-1986 DE-8-4-83-1986 DE-8-4-84-1986 DE-8-4-85-1986 DE-8-4-88-1986 DE-8-4-89-1986 DE-8-4-91-1986 DE-8-4-92-1986
7 daughter colonies of queens mated at the mating station were tested:
DE-8-4-130-1988 DE-8-4-132-1988 DE-8-4-135-1988 DE-8-4-136-1988 DE-8-4-139-1988 DE-8-4-140-1988 DE-8-4-142-1988