Silk is keratin (Beta-pleated protein polymer). The minerals would come from the metal salts used for 'weighting' silk textiles in the 19th c..
P. Storch On Thu, Jan 23, 2020 at 3:35 PM 'Thomas Parker' via Museumpests < [email protected]> wrote: > Silk is not being eaten by silverfish. They are actually grazing on the > sizing used to stabilize the silk. They inadvertently may break through > some of the fibers of the silk. I’ve seen this erroneous information > repeated multiple times in textbooks and the Internet. Silk is a mineral, > Not a protein or carbohydrate source. > > Tom Parker > > On Jan 23, 2020, at 1:25 PM, Louis Sorkin <[email protected]> wrote: > > > > It’s interesting that most people associate starchy compounds with > silverfish rather than proteins. So searching for potential infested > materials should include protein sources such as dried animal matter > including dead insects. Dead insects could be from other infested materials > and the silverfish are your cleaning crew. > > Some pest control websites usually pay more attention to non-proteins: > > Capable of thriving in most climates, silverfish prefer to dwell in dark, > damp areas such as basements, attics, kitchens and bathrooms. They are > especially attracted to paper and damp clothing. Commonly found in stored > boxes in garages and sheds. > > Silverfish are known for their destructive feeding habits, oftentimes > ruining papers, clothing and wallpaper. *Silverfish eat carbohydrates > <http://ento.psu.edu/extension/factsheets/bristletails-silverfish-and-firebrats>* > like flour, rolled oats and starches in cardboard boxes, paper, book > bindings, glue and insulation. Silverfish feed on carbohydrates, > particularly sugars and starches. Cellulose, shampoos, glue in books, > linen, silk and dead insects may be food sources. They also eat protein, > such as dried beef and dead insects. They have been found in unopened > food packages. > > Don't keep old books and magazines in areas where silverfish are usually > found like basements, attics and garages. And it's important to keep food > items such as flour and sugar in tight containers. > > Lou > > > > Louis N. Sorkin, B.C.E. > > Entomologist, Arachnologist, Myriapodologist > > Insect Cuisine & Entomophagy Research > > *<image001.png>* > > Division of Invertebrate Zoology|American Museum of Natural History > > Central Park West at 79th Street|New York, New York 10024-5192 > > [email protected] > > 212-769-5613 voice | 212-769-5277 fax | 917-953-0094 pager-voicemail-text > > https://www.messagemanager.americanmessaging.net/SendMessageFree.aspx > > http://www.amnh.org/our-research/staff-directory/louis-n.-sorkin > > <image002.jpg> > > The New York Entomological Society, Inc. > > www.nyentsoc.org > > [email protected] > > <image003.png> > > > > > > *From:* 'Thomas Parker' via Museumpests <[email protected]> > *Sent:* Thursday, January 23, 2020 1:07 PM > *To:* [email protected] > *Subject:* Re: [pestlist] Silverfish - Next Steps > > > > *EXTERNAL SENDER* > > > > If you want, you can put a few flakes of goldfish food in the center of > the glue. The silver fish sense the odor from the fish flakes and readily > climb under the glueboard. > > > > Tom Parker > > > > On Jan 23, 2020, at 12:24 PM, Dee Stubbs-Lee <[email protected]> > wrote: > > > > Interesting! I have noticed that in some of my storage areas that are > prone to silverfish, I have often found silverfish stuck to the underside > glue strip (the one that holds the blunder trap to the floor). In some > cases I have had many small silverfish on that underside glue strip and > none at all on the main glue surface on the upper side. I assume that means > they like to stick close to the floor surface and sheltered areas, > especially when they are young. I am going to experiment with this method, > though I’ll have to invest a whole 25 cents per trap rather than 5 cents as > Canada has stopped using pennies! ; ) > > > > Dee > > > > *Dee A. Stubbs-Lee, MA, CAPC* > > *Conservator / Restauratrice* > > *New Brunswick Museum* > > *277 Douglas Avenue* > > *Saint John, New Brunswick* > > *E2K 1E5* > > *Canada* > > > > *(506) 643-2341* > > > > > > > > *From:* 'bugman22' via Museumpests [mailto:[email protected] > <[email protected]>] > *Sent:* January 22, 2020 4:27 PM > *To:* [email protected] > *Subject:* Re: [pestlist] Silverfish - Next Steps > > > > I started this trick many years ago and find it works great. Silverfish > love to squeeze themselves into dark cracks and crevices. The pennies give > them a perimeter of crevices around the entire glueboard. It's > particularly helpful in situations on shelving where starchy items are > stored. It's also great around the perimeter of a basement concrete floor > where silverfish like to hide in the expansion joints. > > > > Tom Parker > > > > In a message dated 1/22/2020 3:17:39 PM Eastern Standard Time, > [email protected] writes: > > > > Hi Joel, > > > > I've never heard of placing traps like this for silverfish. Why is it > better than the regular method? > > > > Alan > > > > *Alan Van Dyke* > > Senior Preservation Technician > > Harry Ransom Center > The University of Texas at Austin > P.O. Drawer 7219 > Austin, TX 78713-7219 > P: 512-232-4614 > www.hrc.utexas.edu > <https://nam04.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.hrc.utexas.edu%2F&data=02%7C01%7Csorkin%40amnh.org%7C0b751106cca044fbaa7208d7a02f103a%7Cbe0003e8c6b9496883aeb34586974b76%7C0%7C0%7C637153996340352744&sdata=TMyDL3j%2BGtYlTWT6%2Fq5HzeOMCxVAIUB%2BGaI6iJ44%2Fuo%3D&reserved=0> > > > > > > > > On Wed, Jan 22, 2020 at 2:03 PM Voron, Joel <[email protected]> wrote: > > We have a house that was reinsulated in the 20's and they uses seaweed and > silverfish love it. I would not panic just yet....I would place out traps ( > cut the sticky part out of sticky traps and use pennies on all four corners > and one in the middle stuck to the glue and place it pennies down) > somewhere nice and dark where no one will step on it....if there are > silverfish there they will find it and you will know if it is a random one > off or if there is a major problem. Are people bringing cardboard or paper > bags into the structure? any recent paper or book acquisitions.....movement > of files from another building? > > > > *Joel Voron Colonial Williamsburg Foundation* > > Conservation Dept. > > Integrated Pest Management > > Office 757-220-7080 > > Cell 757-634-1175 > > E-Mail [email protected] > > > > > > > > > > > ------------------------------ > > *From:* [email protected] <[email protected]> on behalf > of Stepping Stones Archives <[email protected]> > *Sent:* Wednesday, January 22, 2020 2:57 PM > *To:* [email protected] <[email protected]> > *Subject:* Re: [pestlist] Silverfish - Next Steps > > > > Hi Joel, > > > > No, I do not. What is the importance of seaweed here? > > > > > > Lexi Echelman > > Archives and Collections Coordinator > > Stepping Stones – Historic Home of Bill & Lois Wilson, respective > cofounders of Alcoholics Anonymous & Al-Anon Family Groups > > 62 Oak Road Katonah, NY 10536 > > [email protected] > > (914)-232-4822 > > > > Website: http://www.steppingstones.org > <https://nam04.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.steppingstones.org&data=02%7C01%7Csorkin%40amnh.org%7C0b751106cca044fbaa7208d7a02f103a%7Cbe0003e8c6b9496883aeb34586974b76%7C0%7C0%7C637153996340362699&sdata=elhOwpNWJEXo8YqjbN5OF5mo6%2BdniCzQQmeylnauSzg%3D&reserved=0> > > Facebook: http://www.facebook.com/BillWHome > <https://nam04.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.facebook.com%2FBillWHome&data=02%7C01%7Csorkin%40amnh.org%7C0b751106cca044fbaa7208d7a02f103a%7Cbe0003e8c6b9496883aeb34586974b76%7C0%7C0%7C637153996340362699&sdata=tD6bom0FvqNjbFse1oRb%2BCBHfRoGI9eYEXWoSutVRpk%3D&reserved=0> > > > Twitter: https://twitter.com/billwhome?lang=en > <https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftwitter.com%2Fbillwhome%3Flang%3Den&data=02%7C01%7Csorkin%40amnh.org%7C0b751106cca044fbaa7208d7a02f103a%7Cbe0003e8c6b9496883aeb34586974b76%7C0%7C0%7C637153996340372659&sdata=mNpDFS7NV%2BasqFlCSoU9xTIQ0niIivEkGivZyHXD%2B8g%3D&reserved=0> > > > > On Wed, Jan 22, 2020 at 2:57 PM Voron, Joel <[email protected]> wrote: > > Do you know if seaweed was used as insulation in this home? > > > > *Joel Voron Colonial Williamsburg Foundation* > > Conservation Dept. > > Integrated Pest Management > > Office 757-220-7080 > > Cell 757-634-1175 > > E-Mail [email protected] > > > > <image001.jpg> > > > > > > > ------------------------------ > > *From:* [email protected] <[email protected]> on behalf > of ssfaandc <[email protected]> > *Sent:* Wednesday, January 22, 2020 2:49 PM > *To:* Museumpests <[email protected]> > *Subject:* [pestlist] Silverfish - Next Steps > > > > Hi All, > > > > I have reason to believe this is a silverfish, and I found it in the > archive in a corner. The trap is not directly near paper, but there is a > lot of paper-based historic materials in that room. First, is this a > silverfish like a think it is? Next, what should I do in terms of notifying > my supervisors and what are the best practices for next steps? Should a > professional pest management company come in to inspect the space. I only > found one silverfish, so does that mean there is an infestation or only a > small amount (which is still problematic but not as big a cause for alarm). > > > > I look forward to hearing from you all. Thank you for your help, as always. > > > > Sincerely, > > > > Alexander "Lexi" Echelman > > Archives and Collections Coordinator > > Stepping Stones - Historic Home of Bill and Lois Wilson > > www.steppingstones.org > <https://nam04.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.steppingstones.org&data=02%7C01%7Csorkin%40amnh.org%7C0b751106cca044fbaa7208d7a02f103a%7Cbe0003e8c6b9496883aeb34586974b76%7C0%7C0%7C637153996340372659&sdata=Eh6z%2BGUfCqa5cpu%2BxzBGT17TPG%2FZrzKKLT7zN%2FowZTE%3D&reserved=0> > > -- > 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 view this discussion on the web visit > https://groups.google.com/d/msgid/pestlist/a536a901-43c9-48e1-8cf6-600b374f49af%40googlegroups.com > 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Storch* *Collections and Exhibits Liaison - Historic Properties* Project Specialist III Facilities- Historic Properties Unit Facilities and Risk Management Department Administrative Division Minnesota Historical Society 345 Kellogg Blvd. West <https://maps.google.com/?q=345+Kellogg+Blvd.+WestSaint+Paul,+MN+55102&entry=gmail&source=g> Saint Paul, MN 55102 <https://maps.google.com/?q=345+Kellogg+Blvd.+WestSaint+Paul,+MN+55102&entry=gmail&source=g> -1906 (651) 259-3257 [email protected] *Visit Historic Sites!* www.mnhs.org *OUR CULTURE:* *- Respect* *- Collaboration* *- Innovation* *- One MNHS* -- 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 view this discussion on the web visit https://groups.google.com/d/msgid/pestlist/CAGGymYJjFskoz1CPH_h_7wMWkTjq%2Bnv_ckNysX1Qk5ONhXw%2BBA%40mail.gmail.com.
