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The Society for the study of flies (Diptera)

Affiliated to the British Entomological and Natural History Society (BENHS)

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#1 2019-06-11 00:19:06

Mmmm
DF Members
Name: Martin Scarratt
From: St Albans
Registered: 2018-08-03
Posts: 18

Hoverfly, Lejogaster metallina??

It seemed to key out to here but, I guess I'm just not all that confident.


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Last edited by Mmmm (2019-06-11 00:24:00)

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#2 2019-06-11 11:03:12

conopid
DF Members
Name: Nigel Jones
From: Shrewsbury
Registered: 2008-02-27
Posts: 701
Website

Re: Hoverfly, Lejogaster metallina??

I think Melanogaster, but certainly not Lejogaster which has a very scooped out face.


Nigel Jones
Shropshire

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#3 2019-06-11 19:25:13

AliCullaloe
DF Members
Name: Ali Shuttleworth
From: Fife, VC85
Registered: 2014-08-20
Posts: 88
Website

Re: Hoverfly, Lejogaster metallina??

If I saw that "nose" I'd also think Melanogaster hirtella but don't take my word for it

Cheers
Ali

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#4 2019-06-11 23:45:23

Mmmm
DF Members
Name: Martin Scarratt
From: St Albans
Registered: 2018-08-03
Posts: 18

Re: Hoverfly, Lejogaster metallina??

AHH, thanks, both of you.
It seems that my mistake was to get overly excited by the words "metallic coloured" in my key, which points directly to Lejogaster. Reading it more carefully it actually says "tergites entirely metallic coloured" as opposed to possibly just on the edges, and of course you can't tell this from the photos, as the tergites are covered by the wings, so I would have become stuck here anyway. If I take the other option here and claim an entirely dull tergite 1, I do actually end up right on a female Melanogaster hirtella, mainly because of that nice hairy thorax.
If you can also tell by face shape, then I'll go for that.
Thanks again....
M

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