322.13—General requirements; restricted organisms.
        
        (4) 
         Bees other than honeybees, in any life stage, from any region other than those listed in  § 322.4(c) or any species  of bee other than those listed in  § 322.5(d)(2).
    
    
        
        (b) 
         Restricted organisms may be imported into the United States only by Federal, State, or university researchers for research or experimental purposes and in accordance with this part.