Thank you everyone for this information. Sincerely,
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 Facebook: http://www.facebook.com/BillWHome Twitter: https://twitter.com/billwhome?lang=en On Wed, Jan 8, 2020 at 10:16 AM Dan Wixted <[email protected]> wrote: > Alexander, > > > > The multicolored Asian lady beetle can become quite a nuisance. So I > provide the following for you to consider as you monitor your situation. > Hopefully, you will never see more than a few. but just in case... > > > > Like cluster flies, they are simply looking for a place to spend the > winter. But they are gregarious, and some entomologists have told me they > can follow the scent where other beetles found a good home the previous > winter...so if they land on your building, they can follow the same route > in as beetles did the year before. This means infestations might get worse > from year to year. Depending on your location, infestations could become > severe in time. So addressing the problem early is a good idea. > > > > In addition to becoming food for dermestids, the staining that others have > mentioned is caused by a smelly orange liquid they exude when frightened or > disturbed. That exudate poses several problems. As I said, it smells bad. > It also means that you should * not* remove the beetles with a vacuum > that has a beater bar or rollers...you will likely smear the liquid over > what you are trying to clean and also add to the smell as the insects get > crushed. Finally, some people can develop strong allergies; I personally > know one person whose eyes sting and swell if she smells them or even if > she rubs her eyes after touching a surface lady beetles had been on (such > as a window sash). (This is not merely an anecdote...see > https://www.webmd.com/allergies/news/20060307/ladybug-allergies-on-rise). > > > > So, in my experience this is not an insect to take too lightly (though > they seem to be less severe in NY than in WI where I used to live). Remove > them when you see them and do your best to exclude them in proper IPM > fashion by sealing any gaps on the building exterior (e.g., around windows > and doors, soffits, etc). See > http://idl.entomology.cornell.edu/wp-content/uploads/Multicolored-Asian-Lady-Beetle.pdf > for more information. > > > > One more thing: they invade homes in the fall, and in my experience that > tends to begin in earnest on the first warm day after the first real cold > snap of autumn...typically in October. So if it ever gets to the point > where you decide you need to use an insecticide on the building exterior to > help exclude them, late September or early October is probably the best > time to do it, but check with your local Cooperative Extension office for > the best timing in your area. (Just be sure to read and follow label > directions and bear in mind that in NYS, the pest or pest group must be > listed on the label for the site being treated, such as building exterior.) > Note I’m not making a pesticide recommendation. I just want you to know > about proper timing if you decide to use one; there’s no sense applying a > pesticide when it won’t do any good. > > > > --Dan > > > > Dan Wixted Pesticide Management Education Program (PMEP) > > Cornell University Ph (607) 255-7525 > > 525 Tower Road FAX (607) 255-3075 > > CALS Surge Facility psep.cce.cornell.edu > > Ithaca, NY 14853 > > [email protected] > > > > *From:* [email protected] <[email protected]> *On Behalf > Of *ssfaandc > *Sent:* Wednesday, January 8, 2020 9:15 AM > *To:* Museumpests <[email protected]> > *Subject:* [pestlist] Ladybugs - Threat to Collections > > > > Hello fellow IPM practitioners, > > > > We have spotted a few ladybugs in our historic house museum on curtains > mostly. In general, do ladybugs pose a threat to collections? Should there > be cause for alarm if some are spotted? > > > > Thank you for your time. I look forward to hearing from you. > > > > Sincerely, > > > > Alexander "Lexi" Echelman > > Archives and Collections Coordinator > > Stepping Stones - Historic Home of Bill and Lois Wilson > > www.steppingstones.org > > -- > 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/d7076a3d-7ebf-49aa-8cd3-febc3e84dc5b%40googlegroups.com > <https://groups.google.com/d/msgid/pestlist/d7076a3d-7ebf-49aa-8cd3-febc3e84dc5b%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > -- > 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/MN2PR04MB5998D47EB7EADB40AEAE551BAF3E0%40MN2PR04MB5998.namprd04.prod.outlook.com > <https://groups.google.com/d/msgid/pestlist/MN2PR04MB5998D47EB7EADB40AEAE551BAF3E0%40MN2PR04MB5998.namprd04.prod.outlook.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "Museumpests" group. 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