Key for the identification of British Mordellidae

A family of 17 species of quite conspicuous beetles that are generally very difficult to identify. The references in the attached document may give you an indication of where to go next to further study this family. Every text indicates that work is needed to revise this family or at least genera within it.
Author(s): 
Mike Hackston
Free: 
Yes
Available as: 
Online
Keywords: 
tumbling flower beetles Mordellidae