Hi Josie, Since you are new to the IPM process, please remember that light traps, sticky traps and other such devices are primarily for monitoring. They can help you determine what species are present and the seriousness of the infestation, then you can focus on elimination (or more probably reduction of populations). Do not depend on these devices to eliminate your problem. You also have to place the traps in correct orientation. Learning about the life cycle and habits of the suspected pest will help you determine the approach.
You will find the https://museumpests.net/ extremely helpful in identifying insects and other pests, learning more about their life cycles and strategizing on how to deal with them. There is also information about how to find and work with Pest Control companies. Good Luck Gretchen Anderson Conservator and IPM specialist Carnegie Museum of Natural History Instructor, Integrated Pest Management in Museums Museum Study, LLC https://www.museumstudy.com/ https://www.museumstudy.com/introduction-to-integrated-pest-management From: pestlist@googlegroups.com <pestlist@googlegroups.com> On Behalf Of Niall Gallagher Sent: Sunday, February 18, 2024 5:48 PM To: pestlist@googlegroups.com Subject: Re: [PestList] Re: Working with pest companies CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe. Hi Josie, With regards to the flies, a suitable ID would allow for more in-depth advice, however Insect light traps will be a good non chemical control option, and will allow regular analysis and trending. For booklice, reducing humidity tp below 50% for at least 15 days will reduce / eliminate the current population. For Silverfish, these will also have numbers reduced with the humidity. Gel baits / traps are available on the market for a more robust approach. Any particular dermestids, you're currently dealing with? Deep cleaning, is beneficial, Varied Carpet beetles are known to enter through open doors / windows. Many thanks, Niall Gallagher Mem.Res On 18 Feb 2024 21:33, Josie Sneed-Gilliam <josie.sneed-gill...@crazyhorse.org<mailto:josie.sneed-gill...@crazyhorse.org>> wrote: Thanks for your reply, Richard! I understand your concerns and share them. Currently I am just trying to hear from experts in the field because I am a novice at IPM! We experience flies year-round in a few of our buildings, and I have also guessed that they're probably cluster flies. I would love to hear your recommendation options for treating them! They have definitely wreaked havoc on our cultural center and are probably multi-generational. I have been trying to understand them since I started this job about 7 months ago and while they are always there, they are worse in spring and summer. Like I said in my first email, we've attempted to seal this building but with little result. Any recommendations for mitigation and prevention efforts for the silverfish, booklice, and dermestids? I'm following the basics of IPM lined out in FUNdamentals of Museum IPM by Christa Deacy-Quinn. I monitor with sticky traps, diligently clean collections and exhibit spaces, we've tried sealing potential entrances, we keep food and water out of collections spaces, we've effectively been able to freeze past infestations, etc. I'm not sure what else I can do honestly, which is the only reason I'm considering pesticides. I understand and agree that they're not the most environmentally responsible choice, but they are currently my last resort. Josie Sneed-Gilliam Collections Care Associate The Indian Museum of North America® Crazy Horse Memorial Foundation (605) 673-4681 ________________________________ From: pestlist@googlegroups.com<mailto:pestlist@googlegroups.com> <pestlist@googlegroups.com<mailto:pestlist@googlegroups.com>> on behalf of Pollack, Richard J <richard_poll...@harvard.edu<mailto:richard_poll...@harvard.edu>> Sent: Sunday, February 18, 2024 2:06 PM To: pestlist@googlegroups.com<mailto:pestlist@googlegroups.com> <pestlist@googlegroups.com<mailto:pestlist@googlegroups.com>> Subject: [PestList] Re: Working with pest companies Josie, I would generally discourage efforts to spray the outside of the building, as I think it would neither be particularly effective nor sustainable. One could also argue that it wouldn’t be environmentally responsible. What kind(s) of flies are entering in abundance, and during what seasons? Are you burdened with them now? If so, these likely are cluster flies that have been overwintering within the attic or wall voids, but then cause havoc within the human-occupied spaces. There are options to better manage these flies that don’t depend upon frequent and widespread pesticide applications. I anticipate that dermestids, booklice, and silverfish are already in residence within the museum. Accordingly, I’d encourage mitigation and prevention efforts inside to protect your accessions while continuing to exclude entry of new ones from outside. Richard J. Pollack, PhD Senior Environmental Public Health Officer Environmental Health and Safety (EH&S) | Harvard Campus Services 46 Blackstone Street., Cambridge, MA 02139 C: 617-447-0763 www.ehs.harvard.edu<http://www.ehs.harvard.edu> President & Chief Scientific Officer IdentifyUS LLC https://identify.us.com<https://linkprotect.cudasvc.com/url?a=https%3a%2f%2fidentify.us.com&c=E,1,phweXc6LsfWpf6wISXCXpaMWVgRMXQAy3XwM5c-TRijuLrpoPoobaLyBVvlKqNrHrTtL7xX3Gc34-AXosNlHv-ebyvR1Q-RA1dR13ptcvt2hTL7LyBDQ_Ug,&typo=1&ancr_add=1> From: pestlist@googlegroups.com<mailto:pestlist@googlegroups.com> <pestlist@googlegroups.com<mailto:pestlist@googlegroups.com>> on behalf of Josie Sneed-Gilliam <josie.sneed-gill...@crazyhorse.org<mailto:josie.sneed-gill...@crazyhorse.org>> Date: Sunday, February 18, 2024 at 11:34 AM To: pestlist@googlegroups.com<mailto:pestlist@googlegroups.com> <pestlist@googlegroups.com<mailto:pestlist@googlegroups.com>> Subject: [PestList] Working with pest companies Hello all, My institution struggles with pest management due to the nature of construction and age of our buildings. Some of our biggest threats are dermestids, booklice, and silverfish. We also play host to many flies, which not only poop on our collections, but provide a meal for and attract more dermestids. Attempts at sealing our buildings have been made but we still struggle. Our problems are so extreme that we're considering spraying the OUTSIDE of our buildings to help mitigate these risks. The pest company has recommended the following products: demand, Temprid, and Delta guard granulars. I've spoken to the pest company about wanting to keep the pesticides outside because we're a museum, and they understood. I was hoping to receive some opinions about the safety and efficacy of the use of these chemicals and others at your institutions for pest management. Please feel free to share any experiences you find relevant to this topic, positive or negative! Thanks. 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