15 daughter colonies of the 4a were tested:
DE-4-87-20-1982 DE-4-87-21-1982 DE-4-87-22-1982 DE-4-87-23-1982 DE-4-87-24-1982 DE-4-87-25-1982 DE-4-87-26-1982 DE-4-87-27-1982 DE-4-87-28-1982 DE-4-87-29-1982 DE-4-87-30-1982 DE-4-87-31-1982 DE-4-87-32-1982 DE-4-87-33-1982 DE-4-87-34-1982
6 tested queens were mated at the mating station:
DE-4-56-6-1985 DE-4-56-7-1985 DE-4-56-13-1985 DE-4-56-24-1985 DE-4-56-26-1985 DE-4-56-35-1985
7 daughter colonies of queens mated at the mating station were tested:
DE-4-56-3-1987 DE-4-56-6-1987 DE-4-56-9-1987 DE-4-56-10-1987 DE-4-56-14-1987 DE-4-56-17-1987 DE-4-56-23-1987