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
7 tested queens were mated at the mating station:
DE-8-4-23-1985 DE-8-4-25-1985 DE-8-4-26-1985 DE-8-4-27-1985 DE-8-4-30-1985 DE-8-4-34-1985 DE-8-4-35-1985
8 daughter colonies of queens mated at the mating station were tested:
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