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Hi,<br>
<br>
<i>"It's presumed that syrphid larvae are largely sedentary, but
there is some ambiguity present in the literature on this subject.</i><i>"<br>
<br>
</i>Observation of a short migration : change of environments of
F.cuprea : a sap run to the ground for puparium.<br>
<br>
<span id="result_box" class="short_text" lang="en"><span class="hps">For
this study</span> <span class="hps">only</span> <span
class="hps">zoophagous</span></span> ? or other cases
herbivorous or microphagous ?<br>
<br>
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<span id="result_box" class="short_text" lang="en"><span class="hps">
<meta http-equiv="content-type" content="text/html;
charset=windows-1252">
<span id="result_box" class="short_text" lang="en"><span
class="hps">For the first case</span></span></span><span
class="hps">,</span></span> larvae overwinter in the litter
(sedentary ?).<br>
<br>
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charset=windows-1252">
<span id="result_box" class="short_text" lang="en"><span class="hps">No
opinion on</span> <span class="hps">the fluorescent dyes</span></span>
<span class="moz-smiley-s6"><span> :-[ </span></span><br>
But reproduce in the laboratory the natural environment would be
more informative (
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<span id="result_box" class="" lang="en"><span class="hps">without </span></span>predation,
parasitism ...).<br>
<br>
Regards.<br>
<br>
PS: sorry for my bad English writing ...<span id="result_box"
class="short_text" lang="en"><span class="hps"></span></span><br>
<br>
<br>
<br>
<br>
<br>
<div class="moz-cite-prefix">Le 18/05/2015 17:36, ximo mengual
sanchis a écrit :<br>
</div>
<blockquote
cite="mid:CALZXNEsse-jb7C2Y8MvA5JUFwk27UTCkdM=etgquPf1y8efqPQ@mail.gmail.com"
type="cite">
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<div>Dear all,<br>
<br>
</div>
I do have a question for you all. Bashira Chowdhury, a
student, asked me the following:<br>
<br>
<br>
<blockquote style="margin:0px 0px 0px
0.8ex;border-left:1px solid
rgb(204,204,204);padding-left:1ex" class="gmail_quote">
<p class="MsoNormal"><span style="color:rgb(0,0,255)">Hi
Dr. Mengual, </span></p>
<p class="MsoNormal"><span style="color:rgb(0,0,255)"> </span></p>
<p class="MsoNormal"><span style="color:rgb(0,0,255)">I
had a quick question on syrphid larvae. It's
presumed that
syrphid larvae are largely sedentary, but there is
some ambiguity present in
the literature on this subject. As a part of my work
this summer, I thought I
could use fluorescent dyes to mark syrphid larvae
and track their movements
through flower patches. Do you think that the dyes
could harm their
development? Also would this make them more
susceptible to predation?</span></p>
<p class="MsoNormal"><span style="color:rgb(0,0,255)"> </span></p>
<p class="MsoNormal"><span style="color:rgb(0,0,255)">Fluorescent
dyes typically don't affect adult insects, but I
wasn't sure about larval insects. </span></p>
<p class="MsoNormal"><span style="color:rgb(0,0,255)"> </span></p>
<p class="MsoNormal"><span style="color:rgb(0,0,255)">Bashira</span></p>
</blockquote>
<br>
<br>
</div>
Does any of you have ever used dyes with larvae? Any idea?
You can cc Bashira (<a moz-do-not-send="true"
href="mailto:bashira@uw.edu">bashira@uw.edu</a>) with your
answers.<br>
<br>
</div>
Thanks!<br>
<br>
</div>
Ximo<br>
<br>
<br clear="all">
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<div>********************************************************
<br>
<font
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size="2">Dr. Ximo Mengual<br>
Head of the Diptera Section<br>
</font><font
style="font-family:arial,helvetica,sans-serif"
face="Default Sans
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Leibniz<font size="2"><font face="Default
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Phone: 0049 (0)228 9122 292<br>
</font><a moz-do-not-send="true"
href="https://www.zfmk.de/en/zfmk/ximo-mengual"
target="_blank">ZFMK web</a><a
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<p>****************************************</p>
<p><tt><span style="font-size: 7.5pt; font-family: Arial;">INSECTA
DIPTERA
SYRPHIDAE D’EUROPE : <a
href="http://perso.wanadoo.fr/cyrille.dussaix/">http://perso.orange.fr/cyrille.dussaix/</a></span></tt></p>
<p><tt><span style="font-size: 7.5pt; font-family: Arial;"><span
style="color: rgb(204, 0, 0);">Un travail collaboratif
de plus de 70 personnes d'Europe.</span></span></tt></p>
<p><tt><span style="font-size: 7.5pt; font-family: Arial;"><span
style="color: rgb(204, 0, 0);"><span style="color:
rgb(51, 0, 51);">@@@@@@@@@@@@@@@@@@@@@@@@@@@@@</span></span></span></tt></p>
<p><tt><span style="font-size: 7.5pt; font-family: Arial;"><b>Diptera-Syrphidae </b></span></tt><tt><span
style="font-size: 7.5pt; font-family: Arial;">: Liste de
discussion. Me contacter.
SVP.</span></tt></p>
<p><tt><span style="font-size: 7.5pt; font-family: Arial;">++++++++++++++++++++++++++++++++++++++++++++++</span></tt>
</p>
<p><span style="font-size: 7.5pt; font-family: Arial;"><b>Index
bibliographique de
la faune sarthoise</b></span><span style="font-size:
7.5pt; font-family: Arial;"> :
<a
href="http://perso.wanadoo.fr/cyrille.dussaix/Biblio-Faune-72.htm">http://perso.orange.fr/cyrille.dussaix/Biblio-Faune-72.htm</a></span>
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