8 daughter colonies of the 4a were tested:
DE-13-27-622-1982 DE-13-27-623-1982 DE-13-27-624-1982 DE-13-27-625-1982 DE-13-27-626-1982 DE-13-27-627-1982 DE-13-27-628-1982 DE-13-27-629-1982
5 tested queens were mated at the mating station:
DE-13-21-1-1985 DE-13-21-2-1985 DE-13-21-3-1985 DE-13-21-4-1985 DE-13-21-5-1985
6 daughter colonies of queens mated at the mating station were tested:
DE-13-21-1-1987 DE-13-21-2-1987 DE-13-21-3-1987 DE-13-21-4-1987 DE-13-21-5-1987 DE-13-21-6-1987