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<div class="moz-cite-prefix">On 12/6/22 11:44 PM, Lennart Lennuk
wrote:<br>
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<blockquote type="cite"
cite="mid:815f98a683a742a6818bb1321ac13ca1@loodusmuuseum.ee">
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<p class="MsoNormal"><span style="color:black">Hi!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:black">What is your
practices preserving many specimens in one jar. It is quite
impossible to mark them all with ID ohter than butting every
specimen separately into glasstube. What might be the
problems if there are for example 10 individuals of Palaemon
in one jar and the ID-s are only on the main label?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"><br>
Should we count each individual as specimen or should we
take them as unit and describe in database how many
individuals one unit holds?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
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<p>This is extremely common in insect collections, in addition to
multiple specimens on a single microscope slide, and multiple
specimens on a single insect pin.</p>
<p>The procedure we follow is fairly straightforward: so long as all
specimens are the same taxon, there is only a single database
record with a GUID for that vial/slide/pin, stating the number of
specimens (the database has fields so, e.g., it can list 3
females, 5 males, and 2 larvae all in the same record). If there
are multiple taxa <b>and they cannot be physically curated
separately</b> - such as a predatory wasp pinned above a prey
item fly - then what we do is create semi-duplicate records using
the same GUID, for which there is no other workaround. While
having records UCRC_ENT_388451a and UCRC_ENT_388451b is pretty
much a violation of the principle of a GUID, it's unavoidable in
some cases. Mercifully, out of over 550,000 records in our
database, there have been only ~150 semi-duplicate sets like this
so far, mostly vials that can eventually be split and given
separate GUIDs, and around 30 slides/pins that can't.</p>
<p>Peace,<br>
</p>
<pre class="moz-signature" cols="72">--
Doug Yanega Dept. of Entomology Entomology Research Museum
Univ. of California, Riverside, CA 92521-0314 skype: dyanega
phone: (951) 827-4315 (disclaimer: opinions are mine, not UCR's)
<a class="moz-txt-link-freetext" href="https://faculty.ucr.edu/~heraty/yanega.html">https://faculty.ucr.edu/~heraty/yanega.html</a>
"There are some enterprises in which a careful disorderliness
is the true method" - Herman Melville, Moby Dick, Chap. 82</pre>
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