Posted by John Fasoldt on 8:41:30 8/28/2011 from 188.8.131.52:
In reply to: what should we expect now? posted by Amy on 17:30:01 8/27/2011 from 184.108.40.206:
PURE insulation? Of course not. But if there's anything still in there, that the moths can survive in, it will continue.
I have seen stored product pests (your IMM) in caches of nuts brought in by various invaders, or even from rodent bait put out by people attempting control of those same invaders. (The poison in the rodent bait does not kill the moths.)
Other organic materials might be up there too, things that you might not consider "food" as these moths do. Technically, the moths can survive if they find dead animals that have fur! They also live outside, although the main vector to the inside of people's homes are themselves, usually thru bringing in processed foods. But there are also MANY other organic materials they can survive in.
I would wait at least a couple of weeks before you put up any traps. Let anything up there die. So that if you put them up there in a month or so, and catch someting, you'll suspect that you have a continuing infestation you'll have to deal with.
If you have truly removed everything the moths can survive on, it will end. Just remember, you must find the SOURCE! And when you do, also remember there might be MORE "sources," so keep on looking.
For those small items that can stand 130 degrees, use your oven. Make sure you get a GOOD accurate oven thermometer and that you keep the ENTIRE item at 130 degrees for 24 hours. It goes by MASS. So if you were trying this on a 1 foot block of wood, you'd probably have to keep it in there for DAYS! Until the core of the item reaches 130 degrees for 24 hours.
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