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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">It's nearly all descriptive (as in the attached), as far as I know.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">There is my paper on Syrphus ribesii of course....<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Does anyone have Gruhl K (1955) Neue Beobachtungen an Schwarm- und Tanzgesellschaften der Dipteren. Deutsche entomologische Zeitschrift NF 2: 332-353 ? That one discusses the evolution of the types
of mating behaviour, but I only have handwritten notes on it made 40 years ago.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Francis<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> syrphidae-bounces@lists.nottingham.ac.uk <syrphidae-bounces@lists.nottingham.ac.uk>
<b>On Behalf Of </b>Malin Thyselius<br>
<b>Sent:</b> 16 December 2022 10:52<br>
<b>To:</b> syrphidae@lists.nottingham.ac.uk<br>
<b>Subject:</b> [Syrphidae] Help with references<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Hi, <o:p></o:p></p>
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<p class="MsoNormal">I wonder if anyone have litteratur comparing or describing hoverfly hovering time/stability/willingness except for Land & Collet and Fitzpatrick & Wellington which I already have.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Cheers,<o:p></o:p></p>
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<p class="MsoNormal">Malin<o:p></o:p></p>
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