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<div class=Section1>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>

<div>

<p class=MsoNormal><span style='font-size:8.0pt;font-family:"Tahoma","sans-serif";
color:#1F497D'>Dr Francis Gilbert<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:8.0pt;font-family:"Tahoma","sans-serif";
color:#1F497D'>Associate Professor of Ecology, School of Biology<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:8.0pt;font-family:"Tahoma","sans-serif";
color:#1F497D'>University Park, University of Nottingham, Nottingham NG7 2RD,
UK<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:8.0pt;font-family:"Tahoma","sans-serif";
color:#1F497D'>Tel: +44 (0) 115 951 3215<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:8.0pt;font-family:"Tahoma","sans-serif";
color:#1F497D'>website: <a href="www.nottingham.ac.uk/~plzfg"><span
style='color:blue'>www.nottingham.ac.uk/~plzfg</span></a><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:8.0pt;font-family:"Tahoma","sans-serif";
color:#1F497D'>                </span><u><span style='font-size:8.0pt;
font-family:"Tahoma","sans-serif";color:#0070C0'>ecology.nottingham.ac.uk<o:p></o:p></span></u></p>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>

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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>

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<p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:
"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'> Stephen Harris [mailto:sjh_qw@yahoo.co.uk] <br>
<b>Sent:</b> 30 August 2012 16:43<br>
<b>To:</b> Francis Gilbert<br>
<b>Subject:</b> Re: Hoverfly<o:p></o:p></span></p>

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<p class=MsoNormal><o:p> </o:p></p>

<div>

<p class=MsoNormal style='background:white'><span style='font-family:"Arial","sans-serif";
color:black'>I posted the 15 sec clip on Youtube if you are interested in
seeing it<br>
<br>
Steve<br>
<br>
<a href="http://www.youtube.com/watch?v=a2HunTBKS6I&feature=youtu.be">http://www.youtube.com/watch?v=a2HunTBKS6I&feature=youtu.be</a><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-family:"Arial","sans-serif";
color:black'><o:p> </o:p></span></p>

</div>

<div>

<p class=MsoNormal style='background:white'><span style='font-family:"Arial","sans-serif";
color:black'><o:p> </o:p></span></p>

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<div>

<div>

<div>

<div class=MsoNormal align=center style='text-align:center;background:white'><span
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>

<hr size=1 width="100%" align=center>

</span></div>

<p class=MsoNormal style='background:white'><b><span style='font-size:10.0pt;
font-family:"Arial","sans-serif";color:black'>From:</span></b><span
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> Francis
Gilbert <Francis.Gilbert@nottingham.ac.uk><br>
<b>To:</b> Stephen Harris <sjh_qw@yahoo.co.uk> <br>
<b>Sent:</b> Sunday, 26 August 2012, 19:40<br>
<b>Subject:</b> RE: Hoverfly</span><span style='color:black'><o:p></o:p></span></p>

</div>

<p class=MsoNormal style='background:white'><span style='color:black'><o:p> </o:p></span></p>

<div id=yiv835955230>

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<div>

<div>

<p class=MsoNormal style='background:white'><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#1F497D'>It's definitely mating
behaviour. The male hovers above the female while she is feeding from flowers.
It's actually most well known from Eristalis nemorum. There's a picture rather
like yours in Stubbs & Falk.</span><span style='color:black'><o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal style='background:white'><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#1F497D'> </span><span
style='color:black'><o:p></o:p></span></p>

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<div>

<p class=MsoNormal style='background:white'><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#1F497D'>Francis</span><span
style='color:black'><o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal style='background:white'><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#1F497D'> </span><span
style='color:black'><o:p></o:p></span></p>

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<div>

<p class=MsoNormal style='background:white'><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#1F497D'> </span><span
style='color:black'><o:p></o:p></span></p>

</div>

<div>

<div>

<p class=MsoNormal style='background:white'><span style='font-size:8.0pt;
font-family:"Tahoma","sans-serif";color:#1F497D'>Dr Francis Gilbert</span><span
style='color:black'><o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal style='background:white'><span style='font-size:8.0pt;
font-family:"Tahoma","sans-serif";color:#1F497D'>Associate Professor of
Ecology, School of Biology</span><span style='color:black'><o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal style='background:white'><span style='font-size:8.0pt;
font-family:"Tahoma","sans-serif";color:#1F497D'>University Park, University of
Nottingham, Nottingham NG7 2RD, UK</span><span style='color:black'><o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal style='background:white'><span style='font-size:8.0pt;
font-family:"Tahoma","sans-serif";color:#1F497D'>Tel: +44 (0) 115 951 3215</span><span
style='color:black'><o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal style='background:white'><span style='font-size:8.0pt;
font-family:"Tahoma","sans-serif";color:#1F497D'>website: <span
class=MsoHyperlink>www.nottingham.ac.uk/~plzfg</span></span><span
style='color:black'><o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal style='background:white'><span style='font-size:8.0pt;
font-family:"Tahoma","sans-serif";color:#1F497D'>               
</span><u><span style='font-size:8.0pt;font-family:"Tahoma","sans-serif";
color:#0070C0'>ecology.nottingham.ac.uk</span></u><span style='color:black'><o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal style='background:white'><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif";color:#1F497D'> </span><span
style='color:black'><o:p></o:p></span></p>

</div>

</div>

<div>

<p class=MsoNormal style='background:white'><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#1F497D'> </span><span
style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><b><span lang=EN-US
style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>From:</span></b><span
lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'> Stephen Harris [mailto:sjh_qw@yahoo.co.uk] <br>
<b>Sent:</b> 26 August 2012 15:44<br>
<b>To:</b> Francis Gilbert<br>
<b>Subject:</b> Re: Hoverfly</span><span style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='color:black'> <o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-family:"Arial","sans-serif";
color:black'>Hi Francis,<br>
<br>
I tried to send you a video clip of these two hoverflies - but the file too
large.<br>
<br>
I observed this behaviour the other day, and managed to get a short video clip
of it. <br>
One hoverfly  hovered above the other for several minutes... within a few
cms.<br>
The one on the flower was rubbing its back legs. I thought the hovering
individual was waiting a turn on the flower.<br>
But, after several minutes, they flew off together. Is this part of a mating
ritual, do you think.<br>
<br>
If interested, I'll try and find a way to send it (disc,  dropbox?)<br>
<br>
Steve</span><span style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-family:"Arial","sans-serif";
color:black'> </span><span style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-family:"Arial","sans-serif";
color:black'> </span><span style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><b><span style='font-size:10.0pt;
font-family:"Arial","sans-serif";color:black'>From:</span></b><span
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> Francis
Gilbert <Francis.Gilbert@nottingham.ac.uk><br>
<b>To:</b> Stephen Harris <sjh_qw@yahoo.co.uk> <br>
<b>Sent:</b> Sunday, 26 August 2012, 13:29<br>
<b>Subject:</b> RE: Hoverfly</span><span style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='color:black'> <o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-size:11.0pt;
font-family:"Arial","sans-serif";color:#1F497D'>I think this is Eristalis
nemorum</span><span style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-size:11.0pt;
font-family:"Arial","sans-serif";color:#1F497D'> </span><span
style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-size:11.0pt;
font-family:"Arial","sans-serif";color:#1F497D'>F</span><span style='color:
black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-size:11.0pt;
font-family:"Arial","sans-serif";color:#1F497D'> </span><span
style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-size:8.0pt;
font-family:"Arial","sans-serif";color:#1F497D'>Dr Francis Gilbert</span><span
style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-size:8.0pt;
font-family:"Arial","sans-serif";color:#1F497D'>Associate Professor of Ecology,
School of Biology</span><span style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-size:8.0pt;
font-family:"Arial","sans-serif";color:#1F497D'>University Park, University of
Nottingham, Nottingham NG7 2RD, UK</span><span style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-size:8.0pt;
font-family:"Arial","sans-serif";color:#1F497D'>Tel: +44 (0) 115 951 3215</span><span
style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-size:8.0pt;
font-family:"Arial","sans-serif";color:#1F497D'>website: </span><span
class=yiv835955230msohyperlink1><span style='font-size:8.0pt;font-family:"Arial","sans-serif"'>www.nottingham.ac.uk/~plzfg</span></span><span
style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-size:8.0pt;
font-family:"Arial","sans-serif";color:#1F497D'>               
</span><u><span style='font-size:8.0pt;font-family:"Arial","sans-serif";
color:#0070C0'>ecology.nottingham.ac.uk</span></u><span style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-size:10.0pt;
font-family:"Arial","sans-serif";color:#1F497D'> </span><span
style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-size:11.0pt;
font-family:"Arial","sans-serif";color:#1F497D'> </span><span
style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><b><span lang=EN-US
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>From:</span></b><span
lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>
Stephen Harris [mailto:sjh_qw@yahoo.co.uk] <br>
<b>Sent:</b> 26 August 2012 13:26<br>
<b>To:</b> Francis Gilbert<br>
<b>Subject:</b> Re: Hoverfly</span><span style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='color:black'> <o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-family:"Arial","sans-serif";
color:black'>See previous email<br>
Could you open video clip?<br>
<br>
Steve</span><span style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-family:"Arial","sans-serif";
color:black'> </span><span style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-family:"Arial","sans-serif";
color:black'> </span><span style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><b><span style='font-size:10.0pt;
font-family:"Arial","sans-serif";color:black'>From:</span></b><span
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> Francis
Gilbert <Francis.Gilbert@nottingham.ac.uk><br>
<b>To:</b> Stephen Harris <sjh_qw@yahoo.co.uk> <br>
<b>Sent:</b> Wednesday, 11 July 2012, 10:12<br>
<b>Subject:</b> RE: Hoverfly</span><span style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='color:black'> <o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-size:10.0pt;
font-family:"Arial","sans-serif";color:blue'>hi Steve</span><span
style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-size:10.0pt;
font-family:"Arial","sans-serif";color:blue'> </span><span
style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-size:10.0pt;
font-family:"Arial","sans-serif";color:blue'>You need the latest edition of
Stubbs & Falk !</span><span style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-size:10.0pt;
font-family:"Arial","sans-serif";color:blue'> </span><span
style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-size:10.0pt;
font-family:"Arial","sans-serif";color:blue'>This is definitely Eristalis. How
big was it? It looks like a dark Eristalis tenax to me, but we cannot see the
face and eyes, which would be more informative.</span><span style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-size:10.0pt;
font-family:"Arial","sans-serif";color:blue'> </span><span
style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-size:10.0pt;
font-family:"Arial","sans-serif";color:blue'>Francis</span><span
style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-size:10.0pt;
font-family:"Arial","sans-serif";color:blue'> </span><span
style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-size:10.0pt;
font-family:"Arial","sans-serif";color:blue'> </span><span
style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-size:10.0pt;
font-family:"Arial","sans-serif";color:blue'> </span><span
style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><b><span lang=EN-US
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>From:</span></b><span
lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>
Stephen Harris [mailto:sjh_qw@yahoo.co.uk] <br>
<b>Sent:</b> 11 July 2012 09:54<br>
<b>To:</b> francis.gilbert@nottingham.ac.uk<br>
<b>Subject:</b> Hoverfly</span><span style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='color:black'> <o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-family:"Arial","sans-serif";
color:black'>Dear Francis</span><span style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-family:"Arial","sans-serif";
color:black'>I have a copy of your book on Hoverflies (Naturalists' Handbooks)
and am interested in the wide variety of hoverflies. I photographed this one in
our garden, in Norfolk yesterday, and couldn't find it in the book, Do you know
what it is?</span><span style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-family:"Arial","sans-serif";
color:black'> </span><span style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-family:"Arial","sans-serif";
color:black'>Regards</span><span style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-family:"Arial","sans-serif";
color:black'> </span><span style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-family:"Arial","sans-serif";
color:black'>Steve Harris</span><span style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='color:black'> <o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='color:black'>This
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<p class=MsoNormal style='background:white'><span style='color:black'> <o:p></o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='color:black'> <o:p></o:p></span></p>

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<p class=MsoNormal style='margin-bottom:12.0pt;background:white'><span
style='color:black'><o:p> </o:p></span></p>

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