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<DIV>Andrew,</DIV>
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<DIV>I kill insects by putting them in the freezer after their capture. I do not use ethyl acetate for hoverflies. I've never used cyanide and I never used alcohol at 70 °.</DIV>
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<DIV>Pierre</DIV>
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<P><STRONG><FONT face="bookman old style, new york, times, serif"><FONT size=2><FONT color=#0000bf>Pierre MILLE</FONT> </FONT></FONT></STRONG></P>
<P><STRONG><FONT face="bookman old style, new york, times, serif"><FONT color=#0000bf size=2>3 avenue des buttes blanches</FONT></FONT></STRONG></P>
<P><STRONG><FONT face="bookman old style, new york, times, serif"><FONT color=#0000bf size=2>95220 Herblay - France</FONT></FONT></STRONG><FONT face="times new roman, new york, times, serif"></P><STRONG><FONT color=#0000bf>
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<B><SPAN style="FONT-WEIGHT: bold">De :</SPAN></B> Andrew Whittington <awhittington@btopenworld.com><BR><B><SPAN style="FONT-WEIGHT: bold">À :</SPAN></B> Hoverfly discussion list <syrphidae@lists.nottingham.ac.uk><BR><B><SPAN style="FONT-WEIGHT: bold">Envoyé le :</SPAN></B> Mer 16 juin 2010, 16h 02min 25s<BR><B><SPAN style="FONT-WEIGHT: bold">Objet :</SPAN></B> Re: [Syrphidae] need help with the conservation of hoverflies<BR></FONT><BR>
<META content=off http-equiv=x-dns-prefetch-control>Pierre,
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<DIV>This depends on several factors.</DIV>
<DIV>With what did you kill them? Ethyl acetate tends to leach yellows for example; while cyanide keeps yellows fresh (but few people use cyanide these days). </DIV>
<DIV>The sooner (fresher) you pin the specimens the better.</DIV>
<DIV>Or are you dropping them straight into alcohol?</DIV>
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<DIV>How are you storing them? Do you keep them away from sunlight?</DIV>
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<DIV>Do you use any pesticides in the cabinet? This may affect colour, but I've no experience of it, since for the most part we steered clear of pesticides, after getting rid of large amounts of naphthalene.</DIV>
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<DIV style="FONT-SIZE: 8px" class=MsoNormal><FONT style="FONT-SIZE: 16px" class=Apple-style-span size=5 face="'Lucida Calligraphy'"><I>Andrew</I></FONT></DIV></SPAN></FONT></DIV>
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<DIV style="MARGIN: 0px; FONT: 12px Verdana"><FONT class=Apple-style-span size=2><SPAN style="FONT-SIZE: 10px" class=Apple-style-span>Andrew E. Whittington </SPAN></FONT></DIV>
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<DIV>On 16 Jun 2010, at 14:52, Pierre MILLE wrote:</DIV><BR class=Apple-interchange-newline>
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<DIV>I appeal to the experience of members of this list to see if anyone has a technique to keep the colors of hoverflies. I found that some specimens lose their color when dry. Does anyone has tried acetone? It seems that acetone bath permetra fix the color ? What do you think ?</DIV>
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<DIV>Best wishes</DIV>
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<DIV>Pierre</DIV>
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<DIV><STRONG><FONT face="bookman old style, new york, times, serif"><FONT size=2><FONT color=#0000bf>Pierre MILLE</FONT> </FONT></FONT></STRONG></DIV>
<DIV><STRONG><FONT face="bookman old style, new york, times, serif"><FONT color=#0000bf size=2>3 avenue des buttes blanches</FONT></FONT></STRONG></DIV>
<DIV><STRONG><FONT face="bookman old style, new york, times, serif"><FONT color=#0000bf size=2>95220 Herblay - France</FONT></FONT></STRONG><FONT face="times new roman, new york, times, serif"></FONT></DIV><FONT face="times new roman, new york, times, serif"><STRONG><FONT color=#0000bf>
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<BLOCKQUOTE style="MARGIN-RIGHT: 0px" dir=ltr><STRONG><FONT color=#0000bf> </FONT></STRONG></BLOCKQUOTE></BLOCKQUOTE></FONT><BR><BR>--- En date de : <B>Mar 8.6.10, Bartsch, Hans D <I><<A href="mailto:hans.bartsch@telia.com" rel=nofollow target=_blank ymailto="mailto:hans.bartsch@telia.com">hans.bartsch@telia.com</A>></I></B> a écrit :<BR>
<BLOCKQUOTE style="BORDER-LEFT: rgb(16,16,255) 2px solid; PADDING-LEFT: 5px; MARGIN-LEFT: 5px"><BR>De: Bartsch, Hans D <<A href="mailto:hans.bartsch@telia.com" rel=nofollow target=_blank ymailto="mailto:hans.bartsch@telia.com">hans.bartsch@telia.com</A>><BR>Objet: Re: [Syrphidae] Finding Female Episyrphus<BR>À: "Hoverfly discussion list" <<A href="mailto:syrphidae@lists.nottingham.ac.uk" rel=nofollow target=_blank ymailto="mailto:syrphidae@lists.nottingham.ac.uk">syrphidae@lists.nottingham.ac.uk</A>><BR>Date: Mardi 8 juin 2010, 19h53<BR><BR>
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<DIV><FONT size=2 face=Arial>Hello Matt, </FONT></DIV>
<DIV><FONT size=2 face=Arial>In Sweden a favorit plant for females to lay egg on is Phragmites communis. So maybe your are lucky on fresh leaves of such stands and in their vicinity </FONT></DIV>
<DIV><FONT size=2 face=Arial>Best wishes </FONT></DIV>
<DIV><FONT size=2 face=Arial>Hans</FONT></DIV>
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<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV style="FONT: 10pt arial; BACKGROUND: #e4e4e4"><B>From:</B> <A title=mjp223@exeter.ac.uk href="http://fr.mc275.mail.yahoo.com/mc/compose?to=mjp223@exeter.ac.uk" rel=nofollow target=_blank>Perkins, Matthew</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=syrphidae@lists.nottingham.ac.uk href="http://fr.mc275.mail.yahoo.com/mc/compose?to=syrphidae@lists.nottingham.ac.uk" rel=nofollow target=_blank>syrphidae@lists.nottingham.ac.uk</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Tuesday, June 08, 2010 7:33 PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> [Syrphidae] Finding Female Episyrphus</DIV>
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<DIV dir=ltr><FONT color=#000000 size=2 face=Tahoma>Hello,</FONT></DIV>
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<DIV dir=ltr><FONT size=2 face=tahoma>Sorry to trouble you, I am trying to catch female Episyrphus balteatus so that I can produce a supply of eggs in the lab. However I am having trouble finding any. I have located and caught plenty of males hovering under trees and bushes in hedgerows and parkland, but an extensive search of hedgrerow flower banks and buttercup fields has revealed no females. I wondered if anyone had any good tips for finding females - such as their favourite habitats or food plant species? I have managed to collect many female Syrphus ribesii amongst nettles and flowers in sunny hedge banks...but no Episyrphus.</FONT></DIV>
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<DIV dir=ltr><FONT size=2 face=tahoma>Any help would be greatly appreciated as Im waiting on them to construct food chains in the lab.</FONT></DIV>
<DIV dir=ltr><FONT size=2 face=tahoma></FONT> </DIV>
<DIV dir=ltr><FONT size=2 face=tahoma>Kind regards,</FONT></DIV>
<DIV dir=ltr><FONT size=2 face=tahoma></FONT> </DIV>
<DIV dir=ltr><FONT size=2 face=tahoma>Matt Perkins</FONT></DIV>
<DIV dir=ltr><FONT size=2 face=tahoma></FONT> </DIV>
<DIV dir=ltr><FONT size=2 face=tahoma>PhD Researcher</FONT></DIV>
<DIV dir=ltr><FONT size=2 face=tahoma>Center for Ecology & Conservation</FONT></DIV>
<DIV dir=ltr><FONT size=2 face=tahoma>The University of Exeter</FONT></DIV>
<DIV dir=ltr><FONT size=2 face=tahoma></FONT> </DIV>
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<DIV></DIV><BR>Internal Virus Database is out of date.<BR>Checked by AVG - www.avg.com <BR>Version: 9.0.795 / Virus Database: 271.1.1/2810 - Release Date: 04/14/10 08:31:00<BR></DIV></DIV></BLOCKQUOTE></DIV><BR>-----La pièce jointe associée suit-----<BR><BR>
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