This is really helpful, Riet. Thank you so much! Karina Wilhelm Archivist SHESC Center for Archaeology and Society Repository Arizona State University email: [email protected]<mailto:[email protected]>
From: 'Riet De Coninck' via MuseumPests <[email protected]> Sent: Friday, May 29, 2026 12:42 AM To: [email protected] Subject: Re: [PestList] Book lice in dry condition Hi Karina, maybe you've seen it allready but I found this poster very helpfull in identifying: https://files.nms.ac.uk/production/Documents/Our-Impact/Training-and-guidance/Caring-for-entomology-collections/Identifying-Booklice-in-Scottish-GLAM_POSTER-A3.pdf?dm=1734611528 kind regards, Riet De Coninck | Deskundige Restauratie / Preventieve Conservatie stad Antwerpen | Talentontwikkeling en Vrijetijdsbeleving| Musea en Erfgoed Antwerpen | Behoud en Beheer ✉ Grote Markt 1, 2000 Antwerpen Kantooradres: Hessenhuis, Falconrui 73, 2000 Antwerpen gsm +32 491 16 61 68 | tel. +32 3 338 43 18 | [email protected]<mailto:[email protected]> www.antwerpen.be<https://www.antwerpen.be/> | facebook<https://www.facebook.com/stadantwerpen> | linkedin<https://www.linkedin.com/company/stad-antwerpen> Proclaimer Vergissen is menselijk. Dus als deze e-mail, samen met eventuele bijlagen, niet voor u bestemd is, vragen we u vriendelijk om dat te melden aan de afzender. Deze e-mail en de bijlagen zijn namelijk officiële documenten van de stad Antwerpen. Ze kunnen vertrouwelijke of persoonlijke informatie bevatten. Als stad nemen we privacy heel serieus en willen we als een goede huisvader waken over de vertrouwelijkheid van documenten. Als u dit bericht per vergissing hebt ontvangen of ergens hebt gevonden, wees dan zo eerlijk om het meteen te verwijderen en het niet verder te verspreiden of te kopiëren. ________________________________ Van: [email protected]<mailto:[email protected]> <[email protected]<mailto:[email protected]>> namens Karina Wilhelm <[email protected]<mailto:[email protected]>> Verzonden: donderdag 28 mei 2026 18:55 Aan: [email protected]<mailto:[email protected]> <[email protected]<mailto:[email protected]>> Onderwerp: RE: [PestList] Book lice in dry condition WAARSCHUWING: DIT IS EEN EXTERNE MAIL Deze mail komt van buiten onze organisatie. Kijk eerst of je het mailadres en de afzender herkent en/of vertrouwt. Doe dat voor je bijlagen opent of links aanklikt. Zo houden we onze organisatie veiliger voor phishing. Hello all, Thank you everyone for your comments. And please keep them coming if anyone else has more info!! We’re thinking they’re coming in from a door we share with another department since there seems to be more in the traps at that door than in our interior door traps. I’m going to see if we can address what’s happening on the other side of the door. Maybe they’re attracting them somehow and then they come into our area. Their area is definitely less climate controlled. Does anyone have any books or websites that they would recommend to look up information about book lice? I tried to do some research but I’m not sure which things are credible. Thanks!! Karina Wilhelm Archivist SHESC Center for Archaeology and Society Repository Arizona State University email: [email protected]<mailto:[email protected]> From: [email protected]<mailto:[email protected]> <[email protected]<mailto:[email protected]>> On Behalf Of Jane Thompson-Webb Sent: Thursday, May 28, 2026 5:49 AM To: [email protected]<mailto:[email protected]> Subject: Re: [PestList] Book lice in dry condition Hi Karina, This may or may not be reassuring, but one needs thousands of booklice to cause damage. They are paper grazers - they feed on leaf litter in the wild. There may be a micro-fungus involved, but I could be making that up! A trap covered in booklice looks alarming, but I would really only worry if every trap in a space was covered in them. Improving housekeeping and keeping an eye on the environment will help. Booklice generally thrive in warm, damp conditions. If your spaces have those conditions then there may be a problem - changing the environment should resolve the issue. Best wishes jane ________________________________ From: [email protected]<mailto:[email protected]> <[email protected]<mailto:[email protected]>> on behalf of Karina Wilhelm <[email protected]<mailto:[email protected]>> Sent: 27 May 2026 18:15 To: [email protected]<mailto:[email protected]> <[email protected]<mailto:[email protected]>> Subject: RE: [PestList] Book lice in dry condition You don't often get email from [email protected]<mailto:[email protected]>. Learn why this is important<https://aka.ms/LearnAboutSenderIdentification> 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. I do not. I’m not usually the one that takes care of the traps but I’m checking to see if I can get a picture. I’m not sure what book lice usually eat so I’m not sure how much of a problem this is. I read somewhere that they don’t actually eat paper much. Not sure if that’s true though. But I’ll send a picture when I get one. Karina Wilhelm Archivist SHESC Center for Archaeology and Society Repository Arizona State University email: [email protected]<mailto:[email protected]> From: [email protected]<mailto:[email protected]> <[email protected]<mailto:[email protected]>> On Behalf Of Jane Thompson-Webb Sent: Wednesday, May 27, 2026 3:49 AM To: [email protected]<mailto:[email protected]> Subject: Re: [PestList] Book lice in dry condition Hi Karina, Do you know what species of booklice you have? There are many species but only a few are pests. I'm not an expert on booklice, but it's quite possible that some of the other species thrive at lower humidities. People that have more knowledge than me will be able to give more information. Best wishes Jane ________________________________ From: [email protected]<mailto:[email protected]> <[email protected]<mailto:[email protected]>> on behalf of karina.wilhelm <[email protected]<mailto:[email protected]>> Sent: 26 May 2026 17:53 To: MuseumPests <[email protected]<mailto:[email protected]>> Subject: [PestList] Book lice in dry condition You don't often get email from [email protected]<mailto:[email protected]>. Learn why this is important<https://aka.ms/LearnAboutSenderIdentification> 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. Hello, My institution, located in Tempe, Arizona, houses archaeological artifacts, ancestors (i.e. human remains), ethnographic collections, and archives. We are having an increasing number of book lice in our collections of artifacts, ancestors, and ethnographic items. There are some in the archives, but not as prevalent as the artifact collections. This is strange because the number of book lice seems to be inversely correlated to relative humidity. Our RH fluctuates some but during the uptick in book lice (mostly October-May for the last two years), our RH has been mostly within or below the 30-40% range. Any ideas why that would be? And more importantly, what treatments can be safely administered? Freezing all of our collections is just simply not possible. Thank you!! Karina Wilhelm Archivist -- This PestList and the MuseumPests.com web site are made possible due to the talent, intelligence, devotion and donations of hundreds of volunteers. Your donation to help this resource continue would be greatly appreciated. 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[BMT_vertical_RGB (2)] Jane Thompson-Webb Conservation Manager T:01213488211 | M: www.birminghammuseums.org.uk<https://www.birminghammuseums.org.uk/> Birmingham Museums Trust Registered Address Birmingham Museum & Art Gallery, Chamberlain Square, Birmingham, B3 3DH [Nov-2025-BMAG-Campaign-Banner]<https://www.birminghammuseums.org.uk/support-us> Disclaimer: The information in this email is confidential. The contents may not be disclosed or used by anyone other than the addressee. If you are not the intended recipient, please notify us immediately. Birmingham Museums Trust cannot accept responsibility for the accuracy or completeness of this message as it has been transmitted over a public network. If you suspect the message may have been intercepted or amended, please contact the sender. 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