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Which Eristalis?

 
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jezlee



Joined: 05 Jul 2006
Posts: 14
Location: Wolverhampton, West Midlands

PostPosted: Tue Sep 05, 2006 7:41 pm    Post subject: Which Eristalis? Reply with quote

Hello people ... I think I can identify this as an Eristalis, but which species - arbustorum, abusivum or interruptus? Or none of these? Can anybody help?

Cheers,

Jez

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jezlee

www.uknature.co.uk
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John O'Sullivan



Joined: 05 Oct 2005
Posts: 128
Location: Sandy, Bedfordshire, UK

PostPosted: Fri Sep 08, 2006 8:36 pm    Post subject: Which Eristalis? Reply with quote

Hi Jez,

I reckon it's Eristalis pertinax with those pale front and middle tarsi. Nice shot.

Still some decent days left this season: happy hunting!

John
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Roger K.A. Morris



Joined: 06 Nov 2005
Posts: 1583

PostPosted: Fri Sep 08, 2006 9:13 pm    Post subject: Reply with quote

I agree with you John - definitely E. pertinax

Roger
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conopid



Joined: 03 Sep 2005
Posts: 342
Location: Shrewsbury, Shropshire

PostPosted: Sat Sep 09, 2006 1:31 pm    Post subject: Reply with quote

As Roger says, still some decent days left this year. I popped into a conifer plantation yesterday and found twenty species. Amazingly, I picked up just three female Syrphus and they turned out to be one each of three species (torvus, vitripennis and ribesii)! Just goes to show that it is worth collecting several of everything you see. Also amongst the twenty species were plenty of Leucozona glaucia on Angelica flowers, a Sericomyia silentis, three female Sphegina species - probably clunipes, but they might be verecunda - I need to have a good study of them against comparative material to be sure; lots of Eristalis pertinax (as ever), Several Cheilosia impressa females, a single male Cheilosia vernalis and the usual Melanostomas.

Keep looking - the stuff is out there! Very Happy

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Nigel Jones
Shrewsbury
Shropshire
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Roger K.A. Morris



Joined: 06 Nov 2005
Posts: 1583

PostPosted: Sun Sep 10, 2006 8:10 am    Post subject: Reply with quote

Well said Nigel - yes there are plenty of hovers about if you can find the flowers. I went to West and North Yorkshire yesterday - it was pretty hard work as flowers were hard to find, but where Devil's bit scabious was present I got good lists (13-15 sp. at four sites) and a few odd and sods elsewhere. Best records were Eriozona syrphoides and Didea fasciata.

Like you, I saw lots of Leucozona glaucia at hogweed. So, everybody, how about a trip out - you might find the local conifer plantations are a good bet.

Keep your eyes open

Roger
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jezlee



Joined: 05 Jul 2006
Posts: 14
Location: Wolverhampton, West Midlands

PostPosted: Sun Sep 10, 2006 9:27 pm    Post subject: Re: Which Eristalis? Reply with quote

John O'Sullivan wrote:
Hi Jez,

I reckon it's Eristalis pertinax with those pale front and middle tarsi. Nice shot.

Still some decent days left this season: happy hunting!

John


Thanks, John! I'm very much a beginner to the Hoverflies, but I must say I find them fascinating and am starting to pick up the ID points gradually - many thanks for your contribution, and thanks also to Roger and Nigel! Smile

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jezlee

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