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Hi -
I haven't researched this concern;
anecdotal evidence is all I have to back up a suspicion:
I wonder if elevators function like a bellows - pushing air up and
down in the building.
Is my concern unfounded?
If there is truth to the bellows notion, I would prefer that any
pesticide used in an elevator shaft be in a bait form that could not
be pumped up and down - and out - as the elevator moves.
Mary Baughman
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Denise -
I think Gentrol would be a waste of chemical. Gentrol holds larvae
in the larval state; it usually does not prevent eggs from hatching.
The Alpine Dust would be a good choice as long as the elevator pit
remains dry.
Thomas A. Parker, PhD
Pest Control Services, Inc.
-----Original Message-----
From: Denise Migdail <dmigd...@asianart.org>
To: pestlist <pestlist@museumpests.net>
Sent: Wed, Nov 2, 2011 3:12 pm
Subject: [pestlist] Webbing Clothes Moths and Gentrol?
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After tracking and mapping webbing clothes moths for several months,
we have pinpointed our elevator shaft as a primary source. It
housed a gradual build up of debris from eight years of service,
which when inspected did contain larvae. We are now looking at
having the elevator shaft floor thoroughly cleaned and sprayed. Our
facilities provider has suggested using Gentrol, but we have only
found it referenced with regards to beetles in the literature. Any
comments on the efficacy of Gentrol for webbing clothes moths would
be appreciated. We are also considering using an
insecticide/desiccant combination - such as PyGanic, or Alpine Dust
(two suggested by our facility providers).
Denise Migdail
Textile Conservator
Asian Art Museum
200 Larkin Street
San Francisco, CA 94102
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