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The higher magnification image is of a book louse. Clean the site and reduce humidity. Nothing else is necessary. Richard J. Pollack, PhD HARVARD UNIVERSITY Environmental Health, Safety and Emergency Management (EHSEM) Senior Environmental Public Health Officer 46 Blackstone St. Cambridge, MA 02139 Office: 617-495-2995 Cell: 617-447-0763 www.ehs.harvard.edu [email protected]<mailto:[email protected]> HARVARD T.H. CHAN SCHOOL OF PUBLIC HEALTH Instructor, Department of Immunology & Infectious Diseases ________________________________ From: [email protected] <[email protected]> on behalf of Megan Walsh <[email protected]> Sent: Wednesday, July 5, 2017 3:52:51 PM To: [email protected] Subject: RE: [pestlist] small grey insects in historic windowsill This is a message from the Museumpests.net List. To post to this list send it as an email to [email protected] To unsubscribe look at the footer of this email. ----------------------------------------------------------- Thanks Louis! I’m attaching a few more images: I managed to get a shot of one of them, and a shot of the mound/nest through the microscope. I’m also attaching an image of the pest next to a penny for scale reference; I drew a circle around the pest. Looking at it under magnification now I think it does look like a springtail. One of my Facilities colleagues thought it looked like a dry wood termite (we’ve had infestations before, but not in that part of the house), but this seems way too small to be a termite. What do you think? I removed the mound and, hopefully, most of the pests. The wood underneath the mound appeared undamaged, but there is tar paper insulation in the vents under the window, so I wonder if that is something they would be attracted to? Many thanks, your help is very much appreciated! Megan From: [email protected] [mailto:[email protected]] On Behalf Of Louis Sorkin Sent: Wednesday, July 05, 2017 12:13 PM To: [email protected] Subject: RE: [pestlist] small grey insects in historic windowsill This is a message from the Museumpests.net List. To post to this list send it as an email to [email protected]<mailto:[email protected]> To unsubscribe look at the footer of this email. ----------------------------------------------------------- Look like springtails, now a non-insect. Louis N. Sorkin, B.C.E. Entomologist, Arachnologist, Myriapodologist Insect Cuisine & Entomophagy Research [cid:[email protected]] Division of Invertebrate Zoology|American Museum of Natural History Central Park West at 79th Street|New York, New York 10024-5192 [email protected]<mailto:[email protected]> 212-769-5613 voice | 212-769-5277 fax | 917-953-0094 local pager http://www.amnh.org/our-research/staff-directory/louis-n.-sorkin<https://urldefense.proofpoint.com/v2/url?u=http-3A__www.amnh.org_our-2Dresearch_staff-2Ddirectory_louis-2Dn.-2Dsorkin&d=DwMFAg&c=WO-RGvefibhHBZq3fL85hQ&r=GO7C3XN3WgFy2IP-bFBbnUs_CYntqj57Dprtl40-_KE&m=H1wsJpTDbZ2hZeg-RMRl4EhcMYHR_xdouEb5YBvUFSw&s=wWD72pwZVplcwjOZecj8tPASmDjIQQx-zCwTCcD19Mk&e=> [cid:[email protected]] The New York Entomological Society, Inc. www.nyentsoc.org<https://urldefense.proofpoint.com/v2/url?u=http-3A__www.nyentsoc.org_&d=DwMFAg&c=WO-RGvefibhHBZq3fL85hQ&r=GO7C3XN3WgFy2IP-bFBbnUs_CYntqj57Dprtl40-_KE&m=H1wsJpTDbZ2hZeg-RMRl4EhcMYHR_xdouEb5YBvUFSw&s=jY7_7OOu02kKI19R0-Sak42BAwUF4IQYXwg_9GjAelY&e=> [email protected]<mailto:[email protected]> [cid:[email protected]] From: [email protected]<mailto:[email protected]> [mailto:[email protected]] On Behalf Of Megan Walsh Sent: Wednesday, July 05, 2017 11:52 AM To: [email protected]<mailto:[email protected]> Subject: [pestlist] small grey insects in historic windowsill This is a message from the Museumpests.net List. To post to this list send it as an email to [email protected]<mailto:[email protected]> To unsubscribe look at the footer of this email. ----------------------------------------------------------- Hi All, We had a rainstorm last night and some water intrusion on one of the wooden windowsills of our historic house. The water intrusion may be unrelated but it led to the discovery of a small mound of dirt (?) crawling with small grey insects. I’ve attached a couple photos but I don’t know that these are clear enough for identification, I will try to collect a couple of the insects and get them under the microscope later today. Any ideas what this might be? Could they be wood boring insects? Any recommendations on how to proceed? Many thanks in advance for you thoughts and guidance! Megan Salazar-Walsh Assistant Conservator The John & Mable Ringling Museum of Art [email_logo1icons] (941) 359-5700 ext. 1603 [email protected]<https://urldefense.proofpoint.com/v2/url?u=https-3A__na01.safelinks.protection.outlook.com_-3Furl-3Dmegan.salazar-2Dwalsh-2540ringling.org-26data-3D01-257C01-257Csorkin-2540amnh.org-257C74c6acc626b14c30723f08d4c3bfd2b5-257Cbe0003e8c6b9496883aeb34586974b76-257C0-26sdata-3DL7oxpyfbxYQR4NK8Kvs6L18S7KTruwtcQ-252BxdRSyaZxc-253D-26reserved-3D0&d=DwMFAg&c=WO-RGvefibhHBZq3fL85hQ&r=GO7C3XN3WgFy2IP-bFBbnUs_CYntqj57Dprtl40-_KE&m=H1wsJpTDbZ2hZeg-RMRl4EhcMYHR_xdouEb5YBvUFSw&s=mLWVyZtkaLScWAD4BDBAoess9KgXomnipUvxFZqo04c&e=> 5401 Bay Shore Road Sarasota, FL 34243 www.ringling.org<https://urldefense.proofpoint.com/v2/url?u=https-3A__na01.safelinks.protection.outlook.com_-3Furl-3Dhttp-253A-252F-252Fwww.ringling.org-26data-3D01-257C01-257Csorkin-2540amnh.org-257C74c6acc626b14c30723f08d4c3bfd2b5-257Cbe0003e8c6b9496883aeb34586974b76-257C0-26sdata-3D7GkRtR5hcP2wu6t9SO8AQYWf52rlX7SG1g-252FED4LBJrI-253D-26reserved-3D0&d=DwMFAg&c=WO-RGvefibhHBZq3fL85hQ&r=GO7C3XN3WgFy2IP-bFBbnUs_CYntqj57Dprtl40-_KE&m=H1wsJpTDbZ2hZeg-RMRl4EhcMYHR_xdouEb5YBvUFSw&s=Af4PTKycWuMBqsIvz4VFtkQ__32efT5Pd3njXvoyrR0&e=> Please note: Florida has a very broad public records law. 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