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.
Distribution: AFGHANISTAN
Alonso-Zarazaga & Lyal, 1999 (amended): Curculionoidea
In the Glossary of Characters I have described the sternellum as follows:
Forums: Characters and Character states
Alonso-Zarazaga & Lyal, 1999 (amended): Curculionoidea
In the Glossary of Characters I have described the sternellum as follows:
Forums: Characters and Character states
Alonso-Zarazaga & Lyal, 1999 (amended): Curculionoidea