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Barbara - The rule-of-thumb is 130 degrees Fahrenheit for 3 hours will kill any stage of any insect. When pest management firms super heat a home for bed bugs, they leave the heat for the better part of the day to insure it reached that level in all materials and areas of the home. When it comes to killing insects in wood, commercial kiln-drying of lumber only reaches about 108 to 115. Often larvae in wood are not killed in the kiln because the wood is a good insulator. I've been involved in powderpost beetle, wood-boring wasp larvae, and old house borer infestations in kiln-dried lumber, including hardwood flooring. An easy method for items of lesser value, is to place a pan of water on the bottom rack of a kitchen oven in order to maintain high humidity in the oven. Place the object directly onto an upper rack. Then turn the oven to its "warm" setting, which usually is 170 degrees Fahrenheit. Leave the object in for 3 hours and then turn the oven off, leaving the object inside. When the oven is cool, you can remove the object. I've used this method for powderpost beetles in objects purchased by tourists in various countries. It can probably also be used for certain kinds of fabrics made of natural materials. I would not try it on synthetic fabrics; they might melt. Tom Parker -----Original Message----- From: aandh <aa...@mindspring.com> To: pestlist <pestlist@museumpests.net> Sent: Sun, Aug 26, 2012 3:33 pm Subject: [pestlist] heat treatment This is a message from the Museumpests List. o post to this list send it as an email to pestlist@museumpests.net o unsubscribe please look at the footer of this email. ---------------------------------------------------------- or some reason, the "heat" part of the treatment section of Museumpests.net oesn't have any text attached. Can someone give me the rule-of-thumb equirements for heat treatment of infestations? Many thanks. arbara Appelbaum --------------------------------------------------------------------- o send an email to the list, send your msg to pestlist@museumpests.Net To unsubscribe from this list send an email to pestlist@museumpests.net and in he subject put: unsubscribe" - no quotes please. You are receiving the Pestlist emails in standard mode. o change to the DIGEST mode send an mail to imail...@museumpests.net with this command in the body: set mode digest pestlist Any problems email l...@collectionpests.com or l...@zaks.com ---------------------------------------------------------------------- To send an email to the list, send your msg to pestlist@museumpests.Net To unsubscribe from this list send an email to pestlist@museumpests.net and in the subject put: "unsubscribe" - no quotes please. You are receiving the Pestlist emails in standard mode. To change to the DIGEST mode send an email to imail...@museumpests.net with this command in the body: set mode digest pestlist Any problems email l...@collectionpests.com or l...@zaks.com
