Scratchpads service interruption: Scratchpads server maintenance is scheduled to take place on Tuesday 2 September 2014 between 10.00 a.m. and 11.00 a.m. (London/Europe). During this time all Scratchpads sites and services will be unavailable.
The Curculionoidea are characterised by the development of the front of the head into an elogate 'rostrum' at the end of which are the mouth parts. In some groups this is reduced (e.g. Entiminae) or absent (Scolytinae), associated with a particular biology.