8 daughter colonies of the 4a were tested:
DE-16-29-568-1972 DE-16-29-687-1973 DE-16-29-688-1973 DE-16-29-689-1973 DE-16-29-690-1973 DE-16-29-691-1973 DE-16-29-692-1973 DE-16-29-693-1973
28 tested queens were mated at the mating station:
DE-13-91-96-1974 DE-13-91-97-1974 DE-13-91-98-1974 DE-13-91-99-1974 DE-13-91-100-1974 DE-13-91-101-1974 DE-13-91-102-1974 DE-13-91-103-1974 DE-16-29-821-1974 DE-16-29-822-1974 DE-16-29-824-1974 DE-16-29-828-1974 DE-16-29-846-1974 DE-16-29-848-1974 DE-16-29-849-1974 DE-16-29-850-1974 DE-16-100-291-1974 DE-16-100-292-1974 DE-16-100-294-1974 DE-16-100-296-1974 DE-16-100-298-1974 DE-16-100-300-1974 DE-16-169-512-1974 DE-16-169-513-1974 DE-16-169-515-1974 DE-16-169-518-1974 DE-16-169-519-1974 DE-16-169-520-1974
7 daughter colonies of queens mated at the mating station were tested:
DE-16-100-316-1976 DE-16-100-317-1976 DE-16-100-318-1976 DE-16-100-319-1976 DE-16-100-320-1976 DE-16-100-321-1976 DE-16-100-322-1976