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-   -   new photos of a predaceous diving beetle (http://www.plantedtank.net/forums/showthread.php?t=183748)

EWTC 07-16-2012 05:02 PM

new photos of a predaceous diving beetle
 
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Hi all,

As promised (in another thread) I posted some much nicer photos of a predaceous diving beetle on my blog last night, along with an explanation of how I took them. This one is my favourite...

Cheers,
EC
www.macrocritters.wordpress.com

Jules 07-18-2012 12:58 AM

That's awesome - I've never seen a picture that showed the air bubble like that. Nice job! It looks like a Rhantus sp. with that shoulder spot.

EWTC 07-18-2012 03:29 AM

Quote:

Originally Posted by Jules (Post 1946975)
That's awesome - I've never seen a picture that showed the air bubble like that. Nice job! It looks like a Rhantus sp. with that shoulder spot.

Thank you! I looked up Rhantus and it does look a lot like it. However, someone else suggested that they see a spike on the ventral surface running from the thorax to abdomen. And that therefore it is a scavenger beetle, family Hydrophilidae. I am no expert so I am a little confused now. I am going to try and get a good photo of the ventral surface and post it for comment...

Cheers,
EC
www.macrocritters.wordpress.com


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