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This has been very helpful information! Thank you all for the quick response. Much appreciated.
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-Matt
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On 04/11/2023 12:22 PM Anderson, Gretchen <andersong@carnegiemnh.org> wrote:
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<p class="MsoNormal"><span style="font-size: 11.0pt; font-family: 'Calibri',sans-serif;">Hi Mathew, </span></p>
<p class="MsoNormal"><span style="font-size: 11.0pt; font-family: 'Calibri',sans-serif;"> </span></p>
<p class="MsoNormal"><span style="font-size: 11.0pt; font-family: 'Calibri',sans-serif;">Freezing is one of the safest and most straightforward methods to deal with an infestation. Both Dee and Mike have stated this very clearly. Dee’s advice on resources will explain and justify wrapping the specimens. </span></p>
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<p class="MsoNormal"><span style="font-size: 11.0pt; font-family: 'Calibri',sans-serif;">Using a double wrap of plastic, removing as much air as possible reduces changes in the equal moisture content of the skins, eliminating shrinking and swelling of the skins and reducing the risk to the specimen. After you freeze you should do the following:<br><br></span></p>
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<li style="margin-left: 0in; mso-list: l0 level1 lfo1;" class="MsoListParagraph"><span style="font-size: 11.0pt; font-family: 'Calibri',sans-serif;">Thaw, and examine the specimen(s), removing all frass and insect bodies. If you do not do this, and you find another dead beetle you will not know if it is an old or new infestation. </span></li>
<li style="margin-left: 0in; mso-list: l0 level1 lfo1;" class="MsoListParagraph"><span style="font-size: 11.0pt; font-family: 'Calibri',sans-serif;">Make sure that the space the specimens go into is clean and pest free. Do ongoing monitoring. </span></li>
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<p class="MsoNormal"><span style="font-size: 11.0pt; font-family: 'Calibri',sans-serif;">If you are interested in learning more about IPM, start with the links that Dee provided. If you want more information I teach some classes on the subject through <a href="https://www.museumstudy.com/">https://www.museumstudy.com/</a>.</span></p>
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<p class="MsoNormal"><span style="font-size: 11.0pt; font-family: 'Calibri',sans-serif;">Good luck!</span></p>
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<p class="MsoNormal"><strong><span style="font-size: 14.0pt; font-family: 'Script MT Bold'; color: #385623;">Gretchen Anderson</span></strong></p>
<p class="MsoNormal"><span style="font-size: 11.0pt; font-family: 'Arial',sans-serif;">Conservator</span></p>
<p class="MsoNormal"><span style="font-size: 11.0pt; font-family: 'Arial',sans-serif;">Carnegie Museum of Natural History</span></p>
<p class="MsoNormal"><span style="font-size: 11.0pt; font-family: 'Arial',sans-serif;">(Preferred pronouns: she/her)</span></p>
<p class="MsoNormal"><span style="font-size: 11.0pt; font-family: 'Arial',sans-serif;"><a href="mailto:AndersonG@CarnegieMNH.Org"><span style="color: #0563c1;">AndersonG@CarnegieMNH.Org</span></a></span><br></p>
<p class="MsoNormal"><span style="font-size: 11.0pt; font-family: 'Arial',sans-serif;">Mobile: 412-420-9083</span></p>
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<p class="MsoNormal"><strong><span style="font-size: 11.0pt; font-family: 'Calibri',sans-serif;">From:</span></strong><span style="font-size: 11.0pt; font-family: 'Calibri',sans-serif;"> Nhcoll-l <nhcoll-l-bounces@mailman.yale.edu> <strong>On Behalf Of </strong>Michael Quigley<br><strong>Sent:</strong> Tuesday, April 11, 2023 11:18 AM<br><strong>To:</strong> Dee Stubbs-Lee <Dee.Stubbs-Lee@nbm-mnb.ca>; Matthew Becker <m.becker@musnathist.com>; nhcoll-l@mailman.yale.edu<br><strong>Subject:</strong> Re: [Nhcoll-l] Freezer Fumigation: is wrapping necessary?</span></p>
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<p class="MsoNormal"><span style="font-size: 11.0pt; font-family: 'Calibri',sans-serif;">Hi Matthew,</span></p>
<p class="MsoNormal"><span style="font-size: 11.0pt; font-family: 'Calibri',sans-serif;"> </span></p>
<p class="MsoNormal"><span style="font-size: 11.0pt; font-family: 'Calibri',sans-serif;">As part of our museum move, as a precaution, we recently froze all of our exhibited taxidermy before moving them into the new building. We treated 7 small specimens, mostly birds, in a chest freezer and 13 large mammals in a rented reefer unit, both at -30C. The specimens are various ages and conditions. No damage was noted. I have also routinely frozen taxidermy in the past with no problems using the guidelines Dee linked to. I think as long as your birds are not in a high humidity environment before going into the bags, you don’t need to worry about moisture.</span></p>
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<p class="MsoNormal"><span style="font-size: 11.0pt; font-family: 'Calibri',sans-serif;">Mike</span></p>
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<p class="MsoNormal"><span style="font-size: 8.0pt; font-family: 'Calibri',sans-serif; color: #44546a;">Mike Quigley (he/him)</span></p>
<p class="MsoNormal"><span style="font-size: 8.0pt; font-family: 'Calibri',sans-serif; color: #44546a;">Assistant Curator</span></p>
<p class="MsoNormal"><span style="font-size: 8.0pt; font-family: 'Calibri',sans-serif; color: #44546a;">Peary-MacMillan Arctic Museum</span></p>
<p class="MsoNormal"><span style="font-size: 8.0pt; font-family: 'Calibri',sans-serif; color: #44546a;"> </span></p>
<p class="MsoNormal"><span style="font-size: 8.0pt; font-family: 'Calibri',sans-serif; color: #44546a;">Bowdoin College</span></p>
<p class="MsoNormal"><span style="font-size: 8.0pt; font-family: 'Calibri',sans-serif; color: #44546a;">9500 College Station</span></p>
<p class="MsoNormal"><span style="font-size: 8.0pt; font-family: 'Calibri',sans-serif; color: #44546a;">Brunswick, ME 04011</span></p>
<p class="MsoNormal"><span style="font-size: 8.0pt; font-family: 'Calibri',sans-serif; color: #44546a;">United States</span></p>
<p class="MsoNormal"><span style="font-size: 8.0pt; font-family: 'Calibri',sans-serif; color: #44546a;">207-725-3305</span></p>
<p class="MsoNormal"><span style="font-size: 8.0pt; font-family: 'Calibri',sans-serif; color: #44546a;"> </span></p>
<p class="MsoNormal"><span style="font-size: 8.0pt; font-family: 'Calibri',sans-serif; color: #44546a;"><a href="mailto:mquigley@bowdoin.edu">mquigley@bowdoin.edu</a></span><br></p>
<p class="MsoNormal"><span style="font-size: 8.0pt; font-family: 'Calibri',sans-serif; color: #44546a;"><a href="https://linkprotect.cudasvc.com/url?a=https%3a%2f%2fwww.bowdoin.edu%2farctic-museum%2f&c=E,1,TszLDm90nWwkivK6qneVX7UpCk0bhp8fArBerSymK-eWuoqb0e1quTnzqnsFmlis07V2A6dahMlX2stL88mqu0khu6Azq-WjIrdNQCgGkH8,&typo=1">bowdoin.edu/arctic-museum</a></span><br></p>
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<p style="margin-bottom: 12.0pt;" class="MsoNormal"><strong><span style="font-family: 'Calibri',sans-serif; color: black;">From: </span></strong><span style="font-family: 'Calibri',sans-serif; color: black;">Nhcoll-l <<a href="mailto:nhcoll-l-bounces@mailman.yale.edu">nhcoll-l-bounces@mailman.yale.edu</a>> on behalf of Dee Stubbs-Lee <<a href="mailto:Dee.Stubbs-Lee@nbm-mnb.ca">Dee.Stubbs-Lee@nbm-mnb.ca</a>><br><strong>Date: </strong>Tuesday, April 11, 2023 at 10:31 AM<br><strong>To: </strong>Matthew Becker <<a href="mailto:m.becker@musnathist.com">m.becker@musnathist.com</a>>, <a href="mailto:nhcoll-l@mailman.yale.edu">nhcoll-l@mailman.yale.edu</a> <<a href="mailto:nhcoll-l@mailman.yale.edu">nhcoll-l@mailman.yale.edu</a>><br><strong>Subject: </strong>Re: [Nhcoll-l] Freezer Fumigation: is wrapping necessary?</span></p>
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<p class="MsoNormal"><span style="font-size: 11.0pt; font-family: 'Calibri',sans-serif; color: #1f497d;">Hi Matthew,</span></p>
<p class="MsoNormal"><span style="font-size: 11.0pt; font-family: 'Calibri',sans-serif; color: #1f497d;"> </span></p>
<p class="MsoNormal"><span style="font-size: 11.0pt; font-family: 'Calibri',sans-serif; color: #1f497d;">I have frozen small taxidermy specimens of all ages many times with no issues. The bagging actually serves two purposes: it helps to contain any live pests and prevent their spreading, and it helps to protect the specimens during the freezing process. You may find the following two resources helpful as background reading. Do be careful handling any frozen specimens as they are more vulnerable to physical damage while frozen because many materials are more brittle while frozen.</span></p>
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<p class="MsoNormal"><span style="font-size: 11.0pt; font-family: 'Calibri',sans-serif; color: #1f497d;"><a href="https://linkprotect.cudasvc.com/url?a=https%3a%2f%2fmuseumpests.net%2fsolutions-low-temperature-treatment%2f&c=E,1,fhaKHBzxgc09IFWDbF49GGeqDxyINxfjh6N4puB8mZ5kuy1Kj4FeKYlr439LhGDT3zYA45um8FVr46Umi1TaSK4_yFSPSlzEeJcfVv0toGbRM8Cg&typo=1">https://museumpests.net/solutions-low-temperature-treatment/</a></span><br></p>
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<p class="MsoNormal"><span style="font-size: 11.0pt; font-family: 'Calibri',sans-serif; color: #1f497d;"><a href="https://linkprotect.cudasvc.com/url?a=https%3a%2f%2fwww.canada.ca%2fen%2fconservation-institute%2fservices%2fconservation-preservation-publications%2fcanadian-conservation-institute-notes%2fcontrolling-insects-low-temperature.html&c=E,1,15sWnfSf8vA5hSEyltixjqz57C1ZZwN9SY9-768-cBby-0lNTucxPOdm6cTdvLvLbU4WsVMTipXL_d0Pr5nkwbdpbjg2hrzLT77enxn4IMYxkA,,&typo=1">https://www.canada.ca/en/conservation-institute/services/conservation-preservation-publications/canadian-conservation-institute-notes/controlling-insects-low-temperature.html</a></span><br></p>
<p class="MsoNormal"><span style="font-size: 11.0pt; font-family: 'Calibri',sans-serif; color: #1f497d;"> </span></p>
<p class="MsoNormal"><span style="font-size: 11.0pt; font-family: 'Calibri',sans-serif; color: #1f497d;">Dee</span></p>
<p class="MsoNormal"><span style="font-size: 11.0pt; font-family: 'Calibri',sans-serif; color: #1f497d;"> </span></p>
<p class="MsoNormal"><em><span style="font-size: 11.0pt; font-family: 'Calibri',sans-serif; color: #1f497d;">Dee A. Stubbs-Lee, MA, FIIC, CAPC</span></em></p>
<p class="MsoNormal"><em><span style="font-size: 11.0pt; font-family: 'Calibri',sans-serif; color: #1f497d;">Conservator / Restauratrice</span></em></p>
<p class="MsoNormal"><em><span style="font-size: 11.0pt; font-family: 'Calibri',sans-serif; color: #1f497d;">New Brunswick Museum</span></em></p>
<p class="MsoNormal"><em><span style="font-size: 11.0pt; font-family: 'Calibri',sans-serif; color: #1f497d;">277 Douglas Avenue</span></em></p>
<p class="MsoNormal"><em><span style="font-size: 11.0pt; font-family: 'Calibri',sans-serif; color: #1f497d;">Saint John, New Brunswick</span></em></p>
<p class="MsoNormal"><em><span style="font-size: 11.0pt; font-family: 'Calibri',sans-serif; color: #1f497d;">E2K 1E5</span></em></p>
<p class="MsoNormal"><em><span style="font-size: 11.0pt; font-family: 'Calibri',sans-serif; color: #1f497d;">Canada</span></em></p>
<p class="MsoNormal"><em><span style="font-size: 11.0pt; font-family: 'Calibri',sans-serif; color: #1f497d;"> </span></em></p>
<p class="MsoNormal"><em><span style="font-size: 11.0pt; font-family: 'Calibri',sans-serif; color: #1f497d;">(506) 643-2341</span></em></p>
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<p class="MsoNormal"><strong><span style="font-size: 11.0pt; font-family: 'Calibri',sans-serif;">From:</span></strong><span style="font-size: 11.0pt; font-family: 'Calibri',sans-serif;"> Nhcoll-l [<a href="mailto:nhcoll-l-bounces@mailman.yale.edu">mailto:nhcoll-l-bounces@mailman.yale.edu</a>] <strong>On Behalf Of </strong>Matthew Becker<br><strong>Sent:</strong> Tuesday, April 11, 2023 11:10 AM<br><strong>To:</strong> <a href="mailto:nhcoll-l@mailman.yale.edu">nhcoll-l@mailman.yale.edu</a><br><strong>Subject:</strong> [Nhcoll-l] Freezer Fumigation: is wrapping necessary?</span></p>
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<p class="MsoNormal">Hello all,</p>
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<p class="MsoNormal">I recently discovered a dead dermestid beetle near some extinct bird taxidermy we had on display and we are looking to fumigate these specimens to be safe. We have a large walk-in fumigation freezer that we have used in the past with success, but I'm feeling a little more nervous than usual given the importance of the specimens.</p>
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<p class="MsoNormal">In the past, I had been trained to wrap specimens in airtight bags before putting them in the freezer. Does anyone know the reasoning behind this? I was told it was help to prevent condensation but I'm almost more afraid of trapping moisture inside the bag. I'm wondering if I can get away with putting them in an airtight storage container or even leave them exposed to avoid handling them more than I have to.</p>
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<p class="MsoNormal">Please let me know if you have any advice with fumigating delicate bird taxidermy. I currently have them in a fume hood with a pest strip in the meantime.</p>
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<p class="MsoNormal">Many thanks,</p>
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<pre>Matthew Becker</pre>
<pre>Collections Curator</pre>
<pre>Museum of Natural History and Planetarium</pre>
<pre>Roger Williams Park</pre>
<pre>1000 Elmwood Ave</pre>
<pre>Providence, RI 02907</pre>
<pre>401.680.7248</pre>
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<pre>Matthew Becker
Collections Curator
Museum of Natural History and Planetarium
Roger Williams Park
1000 Elmwood Ave
Providence, RI 02907
401.680.7248</pre>
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