Rhinotia lineata - A belid weevil

- No description given -

comments (13)

Christine Young

Lion

Could be, or at least something in that genus. There are some similar species and it's hard to tell them apart. Posted 4 years ago
1. Calbost Niel
  
  Lion
  
  Thanks christine Posted 4 years ago

Wesley Goorachan

Lion

Such a cool species! Posted 4 years ago
1. Calbost Niel
  
  Lion
  
  It has its charms Posted 4 years ago

Ruth Spigelman

Lion

This is a very difficult genus to ID at species level. To me, physically, it doesn't seem to match R. hemisticta sightings that I can see in iNaturalist. Perhaps best to leave at genus level? Posted 4 years ago
1. Calbost Niel
  
  Lion
  
  I checked prior
  
  https://www.inaturalist.org/observations?taxon_id=845196
  
  to me very similar Posted 4 years ago
2. 1. Ruth Spigelman
    
    Lion
    
    When you get to this sort of level of discussion on iNaturalist or here on JD - when it comes down to tiny black dots and their placement - it's time for me to step back! 'R. anguinea can't be, because has no lateroventral black dots except on epimeron'. I'm happy to be in the hands of the professional entomologists. Posted 4 years ago
  2. 1. Calbost Niel
      
      Lion
      
      Thanks again Ruth Posted 4 years ago
  3. Pudding4brains
    
    Lion
    
    Hi Niel, just lost an answer due to my PC crashing and got to hit the sack now (3:30 am).
    Ruth is right though: The colour pattern on your beetle may come close(-ish) to hemisticta but structurally the beetle is completely different - R. hemi. does _not_ have the conspicuous ridges on the elytra. Have a look at the likes of lineata or cristata and maybe some others that come closer in terms of those ridges and other structural aspects.
    There is a great book by Zimmerman, titled Australian Weevils, that is largely available as 'preview' on Google Books. It has a comprehensive key to the Genus and probably other closely related Belini. Use that as a starting point! I may join that effort later, but now it's lights out ... Posted 4 years ago
  4. 1. Pudding4brains
      
      Lion
      
      Using the key in Zimmerman (1994) this should boil down to R. lineata, due to the carina on the elytra, ventral tooth on the profemora (just seen on the right side of the beetle) and the pattern of setose maculae.
      
      Zimmerman, E.C. (1994) Australian Weevils (Coleoptera: Curculionoidea). Volume I – Anthribidae to Attelabidae.
      CSIRO, Australia, xxxii + 741 pp. Posted 4 years ago
    2. Calbost Niel
      
      Lion
      
      Thanks for responding Arp Posted 4 years ago