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| 1 | 2 |  » Stats |
Members: 50,146
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Top Poster: glsammy (15,069)
| | Welcome to our newest member, Mildred M | |  | 
23-07-2007, 02:17 PM
|  | Member of the Wild Empire | | Join Date: Jul 2007 Location: Gloucestershire
Posts: 494
| | | Gold Beetle id please
Can anyone identify this beetle, taken at Shapwich Heath peat bog in Somerset a few weeks ago. About 1/2 inch long.  |
23-07-2007, 02:27 PM
|  | Knight Commander of the Wild Empire | | Join Date: Oct 2005 Location: Sheffield, FPRSY
Posts: 7,655
| | | Re: Gold Beetle id please
I would think a Donacia sp (or closely related) of which there are many, often subtly different! 
You might want to look at The Coleopterist starting picture from The Coleopterist - Photo gallery - Plateumaris affinis  Quote:
Originally Posted by WhiskyBottle  Can anyone identify this beetle, taken at Shapwich Heath peat bog in Somerset a few weeks ago. About 1/2 inch long. | |
23-07-2007, 03:01 PM
| | Member of the Wild Empire | | Join Date: Jul 2007 Location: Gloucestershire
Posts: 494
| | | Re: Gold Beetle id please
Thanks Paul, checked out the link.
Looks like it's a Reed Beetle, Donacia or Plateumaris. I think that's as close as I'm likely to get.
Martin |
23-07-2007, 03:47 PM
| | Member of the Wild Empire | | Join Date: Jun 2007
Posts: 381
| | | Re: Gold Beetle id please
Yep it is a reed beetle. You can differentiate Donacia from Plateumaris by looking at the base of the elytra. One is pronounced and the other truncated (squarer). I think Plateumaris have a truncate elytra....but I may have got it the wrong way around as I haven't looked at them for many years.
Regards
Jon |
23-07-2007, 04:29 PM
| | Knight Commander of the Wild Empire | | Join Date: Oct 2005 Location: Sheffield, FPRSY
Posts: 7,655
| | | Re: Gold Beetle id please
Ditto.
There was a full illustrated key published a decade or so back (in Br. J. Ent. nat. Hist., I think) but I've never really got into this interesting group of leaf beetles. Quote:
Originally Posted by JonSadler Yep it is a reed beetle. You can differentiate Donacia from Plateumaris by looking at the base of the elytra. One is pronounced and the other truncated (squarer). I think Plateumaris have a truncate elytra....but I may have got it the wrong way around as I haven't looked at them for many years.
Regards
Jon | | | |
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