No daughter colonies of the 4a were tested yet.
7 tested queens were mated at the mating station:
DE-6-18-288-1994 DE-6-18-293-1994 DE-6-18-294-1994 DE-6-18-295-1994 DE-6-18-296-1994 DE-6-18-297-1994 DE-6-18-299-1994
29 daughter colonies of queens mated at the mating station were tested:
DE-6-18-318-1995 DE-6-18-319-1995 DE-6-18-320-1995 DE-6-18-322-1995 DE-6-18-323-1995 DE-6-18-324-1995 DE-6-18-325-1995 DE-6-18-326-1995 DE-6-18-330-1995 DE-6-18-331-1995 DE-6-18-332-1995 DE-6-18-333-1995 DE-6-18-334-1995 DE-6-18-335-1995 DE-6-18-336-1995 DE-6-18-341-1995 DE-6-18-342-1995 DE-6-18-346-1995 DE-6-18-347-1995 DE-6-18-348-1995 DE-6-18-349-1995 DE-6-18-373-1996 DE-6-18-374-1996 DE-6-18-375-1996 DE-6-18-376-1996 DE-6-18-377-1996 DE-6-18-378-1996 DE-6-18-379-1996 DE-6-18-380-1996