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Most users ever online was 248 on Wed Dec 12, 2007 11:53 pm


V. innanis or zonaria.

 
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Simon R



Joined: 12 Jul 2006
Posts: 34
Location: Jersey, Channel Islands. U.K.

PostPosted: Wed Aug 06, 2008 7:47 am    Post subject: V. innanis or zonaria. Reply with quote

Hi all

Can anyone give me a id on this one please, I am stuck between V. innanis and zonaria.

The tergite does not look chestnut-brown but it was blowing such a lot I could not get a reasonable shot for id.

Any pointers would as always be gratefully received.


Thanks

Simon
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Birderfirst



Joined: 22 Sep 2006
Posts: 50

PostPosted: Wed Aug 06, 2008 1:46 pm    Post subject: Reply with quote

Certainly zonaria in my opinion!

Regards, Jim D.
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Simon R



Joined: 12 Jul 2006
Posts: 34
Location: Jersey, Channel Islands. U.K.

PostPosted: Thu Aug 07, 2008 7:26 am    Post subject: Reply with quote

Thanks Jim D

May I ask how you made that conclusion, “not disagreeing of cause” Just to pick up some tips on id that’s all

Best wishes,


Simon
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Birderfirst



Joined: 22 Sep 2006
Posts: 50

PostPosted: Thu Aug 07, 2008 7:50 pm    Post subject: . inanis v. zonaria Reply with quote

I'm no expert at this order, but have taken a particular interest in zonaria.
I attach a picture of both innanis and zonaria.

I think there should be no mistaking them once you have seen a few.

Zonaria is noticeably larger, the wings are so brown and the bars between the tergites are bold and the first tergite is brown.

Inanis is overall a less aggressive looking beast! The tergites are separated by small bars and the colours are all the same (yellow). The wings are not as brown and have a small cloud. In my opinion it is a much brighter species.

For information, the zonaria pic was taken in showery weather at 17.00 on 3rd August 2008 at Welwyn Garden City (Herts). The inanis was taken near home (NE Northants NN6) on 4th August 2008.

Regards, Jim D.
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Roger K.A. Morris



Joined: 06 Nov 2005
Posts: 1583

PostPosted: Thu Aug 07, 2008 8:41 pm    Post subject: Reply with quote

Take a look at the article Stuart & I did for British Wildlife

Ball, S.G. & Morris, R.K.A., 2006 Britain’s biggest hoverflies – the genus Volucella. British Wildlife 17: 249-256
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