We are also having cluster fly issues in our building located on the pan handle of West Virginia. It looks like a fly massacre every Monday morning. I don’t remember them being quite this bad in past years. Glad to know we’re not alone.
Fran Ritchie, Conservator (Objects) Harpers Ferry Center fran_ritc...@nps.gov American Institute for Conservation Professional Associate (peer-reviewed) From: 'bugman22' via MuseumPests <pestlist@googlegroups.com> Sent: Monday, December 12, 2022 6:21 PM To: pestlist@googlegroups.com Subject: [EXTERNAL] Re: [PestList] Fly infestation This email has been received from outside of DOI - Use caution before clicking on links, opening attachments, or responding. Nicole - Cluster fly larvae parasitize earthworms. So they complete their development in grassy areas. In the Fall, the adults head for overwintering locations. Your building, especially on the southern exposure, is not sealed adequately and the cluster flies simply walk in to hibernate. The warmth of the building often stimulates them to "wake up" before Spring and they then bumble around the building, being especially attracted to lights. Sealing the exterior will go a long way for preventing them to enter the building in the Fall. Tom Parker -----Original Message----- From: Nicole Neu-Yagle <nicole.neu-ya...@dmns.org<mailto:nicole.neu-ya...@dmns.org>> To: pestlist@googlegroups.com<mailto:pestlist@googlegroups.com> <pestlist@googlegroups.com<mailto:pestlist@googlegroups.com>> Sent: Mon, Dec 12, 2022 5:48 pm Subject: RE: [PestList] Fly infestation Hi Tom, Would you expand on your meaning of voids? Can cluster flies complete their life cycle within the dead spaces of a building? I ask because our museum (Denver, Colorado) has had an annually recurring emergence of cluster flies near some dioramas and we are actively working on figuring out where they are coming from, to see if we can cut them off at the source. There is no obvious point of entry, the dioramas are well within the museum and not near any outside door or windows. One suggestion has been that there may be a dead space (emphasis on may be, it is not confirmed) below these dioramas which the flies could be coming from somehow. Another member of our IPM team suggests it doesn't matter as the flies couldn't complete their life cycle without larval access to the out-of-doors. A contract pest service suggested to us that the flies come from outside through regular guest entrances and just happen to gather at this spot for unknown reasons, maybe the diorama lights (however there are many more dioramas which are not affected by them, only the same one or three dioramas every summer). Best, Nicole Nicole Neu-Yagle Asst Collections Manager, Earth Sciences Integrative Collections Branch nicole.neu-ya...@dmns.org<mailto:nicole.neu-ya...@dmns.org> 2001 Colorado Blvd. Denver, CO 80205 www.dmns.org<http://www.dmns.org> -----Original Message----- From: 'Thomas Parker' via MuseumPests <pestlist@googlegroups.com<mailto:pestlist@googlegroups.com>> Sent: Monday, December 12, 2022 2:37 PM To: pestlist@googlegroups.com<mailto:pestlist@googlegroups.com> Subject: Re: [PestList] Fly infestation It sounds like cluster flies or other large flies emerging prematurely from voids. Tom Parker > On Dec 12, 2022, at 4:14 PM, Voron, Joel > <jvo...@cwf.org<mailto:jvo...@cwf.org>> wrote: > > Its in British Colombia. > > Joel Voron Colonial Williamsburg Foundation > Conservation Dept. > Integrated Pest Management Specialist > Office 757-220-7080 > Cell 757-634-1175 > E-Mail jvo...@cwf.org<mailto:jvo...@cwf.org> > > ________________________________________ > From: 'Thomas Parker' via MuseumPests > <pestlist@googlegroups.com<mailto:pestlist@googlegroups.com>> > Sent: Monday, December 12, 2022 4:06 PM > To: pestlist@googlegroups.com<mailto:pestlist@googlegroups.com> > Subject: Re: [PestList] Fly infestation > > [CAUTION: This message originated from outside the Foundation. Do not > click links, open attachments or take action unless you know the > contents are safe] > > Where is this museum located? U.S. - what state? Overseas? > Tom Parker > >> On Dec 12, 2022, at 3:57 PM, Voron, Joel >> <jvo...@cwf.org<mailto:jvo...@cwf.org>> wrote: >> >> >> Are these larger than normal house flies but look like house flies? Any >> color sheen to them or not so much? >> Joel Voron Colonial Williamsburg Foundation >> Conservation Dept. >> Integrated Pest Management Specialist >> Office 757-220-7080 >> Cell 757-634-1175 >> E-Mail jvo...@cwf.org<mailto:jvo...@cwf.org> >> >> ________________________________________ >> From: pestlist@googlegroups.com<mailto:pestlist@googlegroups.com> >> <pestlist@googlegroups.com<mailto:pestlist@googlegroups.com>> on behalf >> of Leslie Hutchinson >> <leslie.l.hutchin...@gmail.com<mailto:leslie.l.hutchin...@gmail.com>> >> Sent: Monday, December 12, 2022 3:53 PM >> To: pestlist@googlegroups.com<mailto:pestlist@googlegroups.com> >> Subject: [PestList] Fly infestation >> >> [CAUTION: This message originated from outside the Foundation. Do not >> click links, open attachments or take action unless you know the >> contents are safe] Good Morning Folks, I am currently working in collections >> at a museum which is housed in a wooden building and we have a pretty major >> fly problem. The collection is industrial so we are not concerned about the >> objects as much as the presence of the flies. We have tried fly strips and >> traps which are not very visually appealing for visitors. So, we are looking >> for ways to mitigate this problem without fumigating the building (as this >> would be quite costly and the budget is limited). >> Any suggestions? >> Thank you in advance! >> - >> Leslie Hutchinson >> >> -- >> 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 >> pestlist+unsubscr...@googlegroups.com<mailto:unsubscr...@googlegroups.com><mailto:pestlist+unsubscr...@googlegroups.com<mailto:unsubscr...@googlegroups.com>>. >> To view this discussion on the web visit >> https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgroups.google.com%2Fd%2Fmsgid%2Fpestlist%2FCADE%253Ddkcnv%252Biynwg%253Dhd%252B8P3Dhv7dOwfqz404xWjuh%252Beh7dK66XQ%2540mail.gmail.com&data=05%7C01%7Cjvoron%40cwf.org%7C46a1450ab4024d3e980008dadc84d1c1%7Ce5987f962bd0460084448a217767e8ba%7C0%7C0%7C638064760256362259%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=cToZ0s7Bo9xtDB0Fe%2FC7QHLsMqY8u0iF9ZuNnVR7hUo%3D&reserved=0<https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgroups.google.com%2Fd%2Fmsgid%2Fpestlist%2FCADE%253Ddkcnv%252Biynwg%253Dhd%252B8P3Dhv7dOwfqz404xWjuh%252Beh7dK66XQ%2540mail.gmail.com&data=05%7C01%7Cfran_ritchie%40nps.gov%7C62b95095dfab47e8c00808dadc978c8e%7C0693b5ba4b184d7b9341f32f400a5494%7C0%7C0%7C638064840698829754%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=9gEHh7YhmZgTgD1IM9DHO5zmnm6RnI0YeQg9zctRvic%3D&reserved=0><https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgroups.google.com%2Fd%2Fmsgid%2Fpestlist%2FCADE%253Ddkcnv%252Biynwg%253Dhd%252B8P3Dhv7dOwfqz404xWjuh%252Beh7dK66XQ%2540mail.gmail.com%3Futm_medium%3Demail%26utm_source%3Dfooter&data=05%7C01%7Cjvoron%40cwf.org%7C46a1450ab4024d3e980008dadc84d1c1%7Ce5987f962bd0460084448a217767e8ba%7C0%7C0%7C638064760256362259%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=PUK262OJs%2Bj%2Bc0yyVYB0TAqwhw%2BVfhPDIpJPkhLTgHw%3D&reserved=0<https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgroups.google.com%2Fd%2Fmsgid%2Fpestlist%2FCADE%253Ddkcnv%252Biynwg%253Dhd%252B8P3Dhv7dOwfqz404xWjuh%252Beh7dK66XQ%2540mail.gmail.com%3Futm_medium%3Demail%26utm_source%3Dfooter&data=05%7C01%7Cfran_ritchie%40nps.gov%7C62b95095dfab47e8c00808dadc978c8e%7C0693b5ba4b184d7b9341f32f400a5494%7C0%7C0%7C638064840698829754%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=KX7%2F6l5qGPKNd0cET%2FQhVhjPUKNhFJXN2uqxhZbLhro%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 >> pestlist+unsubscr...@googlegroups.com.<mailto:unsubscr...@googlegroups.com.> >> To view this discussion on the web visit >> https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgroups.google.com%2Fd%2Fmsgid%2Fpestlist%2FMN2PR20MB3120B360D7679667839E1D09DCE29%2540MN2PR20MB3120.namprd20.prod.outlook.com&data=05%7C01%7Cjvoron%40cwf.org%7C46a1450ab4024d3e980008dadc84d1c1%7Ce5987f962bd0460084448a217767e8ba%7C0%7C0%7C638064760256362259%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=buiqacUJTQnS7KvWLfBqj7GZ9kGfh%2BNIRizK2xugafo%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 > pestlist+unsubscr...@googlegroups.com.<mailto:unsubscr...@googlegroups.com.> > To view this discussion on the web visit > https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgroups.google.com%2Fd%2Fmsgid%2Fpestlist%2FC80C3261-3D7E-41A2-9277-AFE9159B8391%2540aol.com&data=05%7C01%7Cjvoron%40cwf.org%7C46a1450ab4024d3e980008dadc84d1c1%7Ce5987f962bd0460084448a217767e8ba%7C0%7C0%7C638064760256362259%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=AacmtUemR2IXwOZ8wTKmat0OVJ70%2BmZuwPYF0kzuDe0%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 > pestlist+unsubscr...@googlegroups.com.<mailto:unsubscr...@googlegroups.com.> > To view this discussion on the web visit > https://groups.google.com/d/msgid/pestlist/MN2PR20MB312087B93824816AC353D0ACDCE29%40MN2PR20MB3120.namprd20.prod.outlook.com. -- You received this message because you are subscribed to the Google Groups "MuseumPests" group. 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