21 daughter colonies of the 4a were tested:
DE-8-5-70-1980 DE-8-5-72-1980 DE-8-5-75-1980 DE-8-5-77-1980 DE-8-5-82-1980 DE-8-8-1-1982 DE-8-8-2-1982 DE-8-8-3-1982 DE-8-8-4-1982 DE-8-8-5-1982 DE-8-8-6-1982 DE-8-8-7-1982 DE-8-8-8-1982 DE-8-8-9-1982 DE-8-8-10-1982 DE-8-8-11-1982 DE-8-8-13-1982 DE-8-8-14-1982 DE-8-8-15-1982 DE-8-8-16-1982 DE-8-8-17-1982
7 tested queens were mated at the mating station:
DE-8-5-147-1984 DE-8-5-148-1984 DE-8-5-149-1984 DE-8-5-155-1984 DE-8-5-156-1984 DE-8-5-157-1984 DE-8-5-160-1984
6 daughter colonies of queens mated at the mating station were tested:
DE-8-5-188-1985 DE-8-5-190-1985 DE-8-5-191-1985 DE-8-5-195-1985 DE-8-5-203-1985 DE-8-5-204-1985