Katy, I'm not sure what your timeframe and budget restrictions for this exhibition scenario are, but maybe an anoxic treatment might be worth looking into. It can be setup for less than a freezer, and is a nice resource to have along with a freezer.
For Example: https://www.talasonline.com/tools-and-equipment/environmental-controls *** ***I am not connected to or necessarily endorsing Talas- I just used this link to show pricing for the AnoxiBug system. -Todd On Wed, Jun 5, 2019 at 5:03 PM katharine.corneli <[email protected]> wrote: > Hello all, > > We have a Navajo rug and native basketry exhibit coming in to our changing > exhibits gallery and several of the rugs have shown webbing-like residue > and one of the baskets has frass in the spaces between the weaving. I > recently put some data loggers in our chest freezer and it only goes down > to about -15 degrees C. I have read that -30 C is recommended but I would > imagine it varies by pest. Is it possible that webbing clothes moths and, > say, drugstore beetles are killed at higher temperatures? > > I realize I am dreading talking to the curator and the director to tell > them we either can't take these items for the exhibit or we need to buy a > new freezer. Is there some way to achieve a good kill rate without such a > low temperature? Repeated freeze/thaws etc? Could I add some dry ice? Rig > something up to make it colder? It has also proven difficult to source > local commercial freezers. I realize we will need to replace it eventually > but my director is generally reluctant to spend money (I'm sure none of you > can relate....) and I wonder if we can pull something together at least for > this exhibit. > > Thank you for any input, > Katy > > *Katharine Corneli* > *Curator of Collections* | *Prehistoric Museum* > > *155 E Main, Price, Utah 84501* > *Office*: 435-613-5765 > *Email*: [email protected] > > > > > -- > You received this message because you are subscribed to the Google Groups > "Museumpests" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/pestlist. > To view this discussion on the web visit > https://groups.google.com/d/msgid/pestlist/98b19e9c-4aff-4622-891a-1cc3673948b0%40googlegroups.com > <https://groups.google.com/d/msgid/pestlist/98b19e9c-4aff-4622-891a-1cc3673948b0%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Museumpests" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/pestlist. To view this discussion on the web visit https://groups.google.com/d/msgid/pestlist/CAMxAh%2BhrBmLqydcR-Pad2-ciqM2C0AzxjoxfsskzRTmqg50QCA%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
