One thing that works here in the Northeastern US is soapy water. They are attracted to it, fall in and drown. I just put a cup of water with a squirt of Dawn dishwashing detergent under the window and they go to it like flies ;-) In your case, you might need a bucket... Mary Beth Prondzinski Director of Collections Fairbanks Museum & Planetarium 1302 Main Street St. Johnsbury, VT 05819 (802) 748-2372 x110 [email protected] http://fairbanksmuseum.org/ http://vermonttv.net/
_____ From: [email protected] [mailto:[email protected]] On Behalf Of Berta Blasi Sent: Thursday, March 31, 2011 1:25 PM To: [email protected] Subject: Re: [pestlist] A fly plague?! This is a message from the Pest Management Database List. To post to this list send it as an email to [email protected] To unsubscribe please look at the footer of this email. ----------------------------------------------------------- You are so kind! I've got enough information to proceed. Sorry Tony, I've no detail photos. I'll keep it in mind for the next time ;) Thank you so much. --- Berta Blasi Conservació - Restauració Document Gràfic www.bertablasi.com [email protected] 626 266 293 El 31/03/2011, a las 18:57, Tony Irwin escribió: > This is a message from the Pest Management Database List. > To post to this list send it as an email to [email protected] > To unsubscribe please look at the footer of this email. > ----------------------------------------------------------- > > > > > > > > > > > > As David says, these are flies which have come indoors to > overwinter. In > this case, however they are not Pollenia, but Musca autumnalis or a > similar > species. > M.autumnalis is a common rural species in Europe, and is only > associated > with humans when it enters buildings to hibernate. Its larvae > develop in cow > dung. > Exclusion can be nearly impossible in an old building - often the best > course of action is simply regular removal using a vacuum cleaner. > There is > no point in killing the flies using pesticides - dead flies will be > food for > Anthrenus, live flies will not. Most of the flies will leave in the > spring, > and it may be that providing them with an easy exit will solve the > problem. > If you want to check the flies' identity, I'd be happy to look at > sample. > Get in touch off-line for contact details. > Tony Irwin > > > -----Original Message----- > From: [email protected] > [mailto:[email protected]]On Behalf Of David Pinniger > Sent: 31 March 2011 16:47 > To: [email protected] > Subject: RE: [pestlist] A fly plague?! > > > This is a message from the Pest Management Database List. > To post to this list send it as an email to [email protected] > To unsubscribe please look at the footer of this email. > ----------------------------------------------------------- > > > > > > > > > > > > It needs a close up of a fly to be certain, but they are probably > cluster > flies which come indoors every Autumn to hibernate over winter. > The main species in the UK is Pollenia rudis which breeds in > earthworms in > grassland. The adults love sunny towers. > They are harmless but can be a great nuisance, and the bodies will > provide > food for pests such as Anthrenus and Attagenus. > David Pinniger > > -----Original Message----- > From: [email protected] [mailto:[email protected] > ] > On Behalf Of Berta Blasi > Sent: 31 March 2011 15:06 > To: [email protected] > Subject: [pestlist] A fly plague?! > > Dear colleages, > > I have a plague of indestructible flies in the archive. > The archive is placed in the high of a tower, in a room of 20m2 and > long ago > it was a jail. > There are million stunned flies (they do not fly, they only move > when you > touch them). > The room is approximately at 10ºC and 50-55% of humidity. There is no > directly beam of sun because the windows are closed if there is > nobody (it > means most of the time). It is cleaned in depth from time to time > but the > flies always re-arise. > The flies stay between the glass of the windows and the shutter as > you can > see in the photo and also on the floor. I have never seen so many > flies > together! > Which can be the reason? What are they eating? In the archive we > didn't > detect any dead animal but that keep on reproducing continuously. > What do we have to do? > > Thank you very much for your help. > --- > Berta Blasi > Conservació - Restauració > Document Gràfic > www.bertablasi.com > [email protected] > (0034) 626 266 293 > > > ------------------------------------------------------------ > To send an email to the list, send your msg to > [email protected] > > To unsubscribe from this list send an email to > [email protected] and in the body put: > "unsubscribe pestlist" > Any problems email [email protected] > > > > > > > > > > > > ------------------------------------------------------------ > To send an email to the list, send your msg to > [email protected] > > To unsubscribe from this list send an email to > [email protected] and in the body put: > "unsubscribe pestlist" > Any problems email [email protected] > > > > > > > > > > > ------------------------------------------------------------ To send an email to the list, send your msg to [email protected] To unsubscribe from this list send an email to [email protected] and in the body put: "unsubscribe pestlist" Any problems email [email protected] _____ No virus found in this message. Checked by AVG - www.avg.com Version: 10.0.1209 / Virus Database: 1500/3542 - Release Date: 03/31/11
