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Cetonia aurata

Posted by
Johan Dierckx (Wijnegem, Belgium) on 8 August 2010 in Animal & Insect and Portfolio.

Cetonia aurata (Gouden tor (BE) / Green rose chafer (EN) / Goldglänzende Rosenkäfer (DE) / Cétoine dorée (FR) ) is a beetle of the Scarabaeidae family, 20 mm long (which is large for a Belgian beetle !), that has metallic green coloration (but can be bronze, copper, violet, blue/black or grey) with a distinct V shaped scutellum, the small triangular area between the wing cases just below the thorax, and having several other irregular small white lines and marks. The underside is a coppery colour. The metallic gold/green colouring of the beetle's surface is the reflection of mostly left circularly polarised light. When viewed through a right circular polariser, they appear to be colourless. Rose chafers are mainly found over southern and central Europe, in Belgium they occur locally.

Image: Viroinval (BE) - 14/07/2010

Canon EOS 400D 1/50 second F/8.0 ISO 200 150 mm

© Johan Dierckx

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All species are photographed in their natural habitat, without cutting or capturing them, and with maximal respect and the least possible disturbance to the environment.

(To see species in the same taxonomic rank (Kingdom, Phylum, Class, Order, Family, Genus), please use the tags provided with the image. The last tag is the Iso-code for the country where the image was taken. Image-date in DD/MM/YYYY format.)

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Chris Anderson from New york, United States

Interesting bug, nicely captured.

8 Aug 2010 5:51am

@Chris Anderson: Thank you very much for your comment, Chris.

vincent from Acquin, France

Superbe !

8 Aug 2010 6:45pm

@vincent: Thank you very much, Vincent. Glad you like this image.

dang from Atlanta, United States

Hi Johan,
This looks amazingly similar to "Japanese Beetle" Popillia japonica ( http://bugguide.net/node/view/473 ) found here. Nice job showing the coloration.

9 Aug 2010 1:25am

@dang: Hi, Tom. Nice to hear something from you again. Hope everything is ok there ? I looked at the Japanese Beetle on that site and there are indeed some similarities. They belong to the same family so that is no big surprise. It seems to me that this Cetonia is much bigger: about 2 cm. It is one of the biggest that can be found in Belgium. Meeting this species is realy spectacular.

Christine from Duns, United Kingdom

Amazing bug, superb capture

9 Aug 2010 7:17pm

@Christine: Thanks again for your kind comment, Christine.

Julie Brown from Indianapolis, United States

You captured both color and detail. Well done!

10 Aug 2010 2:37am

@Julie Brown: Sometimes it is very strange: you see something, make an image and the colour turns out to be (partly) gone ... I think you eventually expierienced that too. Untill now I have no good explannation for that and so not a sollution to overcome that problem. Maybe you have some suggestions?

Mascha from Kootstertille, Netherlands

Prachtige foto, mooi contrast in vorm,textuur en kleur met de achtergrond!!

10 Aug 2010 1:24pm

@Mascha: De achtergrond zijn de geopende bloempjes van de distel (zoals die waar deze kever op zit). Op deze manier zie je toch nog stengel en bloem(suggestie) tegelijk :-). Bedankt alweer voor je mooi verwoord commentaar, Mascha.

Dutçh from Chicagoland, United States

I am glad my eyes aren't polarized. <-- it rhymes and isn't it the truth. I often dislike what has been taken with a polarizer on.. preferring the light I see with my eyes because that is how the the first impression of beauty is seen. Very nice that you've captured it naturally.

10 Aug 2010 7:32pm

@Dutçh: Light is the most beautiful "thing" in nature... I'll always chase it, but it is so hard to catch... ;-) - oeps, tend to go the philosophical way now...

simplyDoTa from Manila, Philippines

i love it

12 Aug 2010 7:14am

@simplyDoTa: I'm very glad you like this image.

daniela scharnowski from Berlin, Germany

I simply love it - the unusual (for you) perspective of the thistle, the bug, the fab background - just beautiful.
regarding your answer somewhere up - the human eye catches othes colours than the camera, would be my idea..

21 Aug 2010 1:45pm

@daniela scharnowski: Why you call this perspective unusual for me ? Makes me wonder ... do I have a usual perspective then? Tell me ! About colors: I think the human eye and the camera do catch the same colors but in a very different way, causing some problems of synchronisation between those two ...

Canon EOS 400D
1/50 second
ISO 200
150 mm