Ingrid -
I agree with Hugh Glover; the hands may have been made of sapwood and therefore
susceptible to attack from wood-boring beetles. The remainder of the Buddha
might be heartwood, which is immune from beetle infestation. Such an old
figure may have lost its natural resin protection to
Emily -
Never put ANY insecticide in cabinetry with or near collections! Especially
not a fogging material or you'll introduce oil droplets on everything.
If a steel cabinet has been infested and may have some cocoons stuck in out of
the way places, you can empty the cabinet and then hang a
Emily -
In my field work, I've found in many institutions, especially small ones, a
standard Sears-type chest freezer with a meat cycle works just fine. And I'm
not concerned with whether or not it's frost-free. Maybe we can discuss this
at the meeting.
Tom
-Original Message-
Trey -
I'm am anentomologist and havebeen a consultant to the museum community dealing with such problems for over 35 years. What you really need is a comprehensive inspection visit and a game plan for not only dealing with existingCMCM problems, but preventing future uprisings. My website is
Why would you want to freeze the lacquer ware? What's the pest?
Tom Parker
-Original Message-
From: Monika Harter mhar...@horniman.ac.uk
To: pestlist@museumpests.net
Sent: Wed, 1 Apr 2009 6:03 am
Subject: [pestlist] freezing Japanese laquer
Does anyone have experience with or an
I agree with Lou Sorkin argon would be best, but most anoxic users do not use
argon. Argon is much heavier than air and can be introduced low in the
chamber, driving out the air at the top. It is totally inert.
Tom Parker
-Original Message-
From: Monika Harter mhar...@horniman.ac.uk
That's the beauty of argon; it really does flush the air out of the containment.
-Original Message-
From: Jerry Shiner i...@keepsafe.ca
To: Louis Sorkin sor...@amnh.org; pestlist@museumpests.net
Sent: Wed, 1 Apr 2009 2:54 pm
Subject: RE: [pestlist] freezing Japanese laquer
This is a
Jack -
Silverfish in a large collection storage area often live in the cracks of the
expansion joints around the perimeter of the concrete slabs and where columns
meet the slab. They also congregate on the underside of pallets. The best
solution is to caulk the expansion joints. I know this
Go to www.museumpestcontrol.com.
-Original Message-
From: Abdul Rauf abdul.r...@krepl.in
To: pestlist@museumpests.net
Sent: Mon, 25 May 2009 2:11 am
Subject: Re: [pestlist]
Dear Sir/ Madam,
Thanks for mail. As there is no accomanying message, would tell me more
about pestlist. I am
Alyssa -
You pose a lot of good questions about wrapping before freezing.
I think the foremost reason from wrapping is to prevent ice crystal formation
on the surface of the object being frozen.? Using any kind of wrap, such as
muslin, kraft paper, cotton cloth, etc.?will prevent this from
Mary -
That's a great point. Insects do not chew through a bag in order to lay eggs;
however, larvae will certainly chew their way out of a bag. I've seen it with
cigarette beetle larvae, Anobium punctatum (furniture beetle larvae in books),
Indian meal moth and webbing clothes moth larvae,
Tom and Forrest -
Good thoughts about shrink wrapping.
I have another: If an object is shrink-wrapped and sits for awhile before
being frozen, larvae of various critters I mentioned in an earlier e-mail can
easily chew their way out of the wrapping. If there is space between the
object and
Dan -
Contact Dave Mueller at Insects Limited in the Indianapolis area. This firm is
a major fumigator in the midwest and should have the data you need.
Tom Parker
-Original Message-
From: Daniel Cull daniel.c...@themim.org
To: pestlist@museumpests.net
Sent: Fri, Jul 10, 2009 12:16
Samantha -
The only difference in black lights for detecting rodent urine is the distance
away from the urine you can shine the light in order to see the fluorescent
urine; i.e.? the stronger the light, the farther away you can stand while black
lighting.
Remember, all sorts of compounds
Good information. Drione dust works forever as long as it doesn't get wet.
Thanks, Forrest.
Tom Parker
-Original Message-
From: Forrest St. Aubin forr...@saintaubinbce.com
To: pestlist@museumpests.net
Sent: Thu, Aug 20, 2009 4:42 pm
Subject: Re: [pestlist] red-legged ham beetles
There's no need to spray cut flowers. About the only critter of consequence to museum collections which may be feeding on the pollen are carpet beetles of the genus Anthrenus. When they are disturbed during cutting, they recess their antennae and legs into grooves on their bodies and roll off
Christina -
I wholeheartedly applaud your response!
Thomas A. Parker, PhD
Pest Control Services, Inc.
469 Mimosa Circle
Kennett Square, PA 19348
610-444-2277
www.museumpestcontrol.com
-Original Message-
From: Christina M. Cain christina.c...@colorado.edu
To:
Emily Kaplan -
Your emails to the pestlist are gibberish. That's twice I opened your response
to the Moving Clean posting and both times your email was unreadable.
Thomas A. Parker, PhD
-Original Message-
From: Kaplan, Emily kapl...@si.edu
To: 'pestlist@museumpests.net'
Tania -
A three foot border of dark-colored, crushed stone is ideal as a barrier
against pests. Landscaping fabric should be put down first and then 4-6 of
the crushed stone. On the sunnier sides of the building this area will heat up
and really make the barrier inhospitable for all sorts
Mary and the rest of the PestList gang -
First of all it takes a carpet beetle 4-5 months to complete its development
from egg to adult in most of the indoor situations with which I've been
involved. Secondly, they most often only feed on carcasses large enough to get
the larva inside the
Whoops. I forgot crickets. They can support 2 or 3 carpet beetle larvae, so
can American cockroaches.
Tom
-Original Message-
From: Mary Baughman m.c.boff...@mail.utexas.edu
To: pestlist@museumpests.net
Sent: Fri, Oct 30, 2009 5:47 pm
Subject: Re: [pestlist] dead zone to isolate
Megan -
Why not use a synthetic material which approximates wool? I'm sure there are
acrylics or some such thing out there you could use instead of real wool.
After all, this is a demonstration of techniques and machinery. Having
inspected several textile museums, I can tell you small bits
Veloxy, Veloxy, Veloxy; it is not the answer. Integrated Preventive Pest
Management (IPPM) should be first and foremost.
Tom Parker
-Original Message-
From: rgi...@tiscali.it rgi...@tiscali.it
To: pestlist@museumpests.net
Sent: Sun, Dec 13, 2009 6:30 am
Subject: R: [pestlist] can
Heating for disinfestation may be destructive to artifacts; freezing is much
preferred. Phosphine fumigation or any toxic fumigation is an atom bomb, when
a vacuum cleaner might work! Let's get back to basics and identify what we
have, where it may be coming from, is it active, how
Heather -
Female webbing clothes moths lay up to 300 eggs each! Populations can explode
overnight. Trapping males in a pheromone trap often happens after females
have already been impregnated. Finding any males in a trap is not a good sign.
WCM's are the most difficult and damaging pest
Heather -
When I give an IPPM lecture, I tell my audience a visitor drops 3 hairs and one
fingernail per visit. WCM larvae will readily feed on the hair, but usually
not the fingernails. Carpet beetles will feed on the fingernails. I know of
nothing, which will damage collections, which
Dave -
Having been involved in the litigation arena in the structural pest control
industry, I can tell you Vikane does not always aerate propertly; i.e. there
have been deaths of residents occupying a home after a fumigation. And I'm
talking about large, national pest control firms. A
Katie -
PPB's usually go through a one or two-year life cycle, depending on the species. They leave small, round exit holes. They are not like some of the structural, long-horned beetles, which may take up to 10-13 years to emerge as adults. These beetles leave large, usually oval exit or
Here we go again - IS IT ACTIVE OR INACTIVE?
Icons are so old, they've often lost their appeal to wood destroying insects.
In time the sugars turn to starchs. What you're usually seeing is old damage,
frass, and galleries; especially if some of the finish or surface has been
scraped off
Elisabeth -
Apparently some of the members of the pest list had photos of the critters. I
never received them. Birds nests often have Anthrenus in them, feeding on the
feathers. I'd get rid of them.
Some others have said you also have a wood-boring beetle. Would love to see
the photos.
David -
The beetle in question is commonly called the Ash Bark Beetle. I think it's
Leperisinus fraxini, instead of varius, simply because of the pattern on the
elytra.
Tom Parker
-Original Message-
From: David Pinniger da...@pinniger.globalnet.co.uk
To:
The insect invasion you describe happens every fall when insects seek out
shelter for the winter. Your idea of a black light in the attic is a good one.
Get a supply of glueboards from Atlantic Paste Glue Company of Brooklyn, NY.
Any firm which supplies the pest control industry will have
Friends -
I recall many years ago, when ethylene oxide was in vogue, the Italians
reported fumigated articles were more prone to fungal development after
fumigation than before. Perhaps someone is confusing the nitrogen/argon thing
with the old reports generated when ethylene oxide was the
Lou -
I've never seen a wasp with a prey item. As old as I am, my eyesight might not
be what it should be. Mostly, I've seen them kicking out the frass and then
cementing the hole shut with mud. You'll also see mud-filled, sealed holes
with a small round hole in the mud; meaning the
Terry -
It's difficult to determine from the photos; it could be a webbing or
case-making clothes moth cocoon. I would guess it to be a webbing clothes moth
cocoon from the fact the frass is stuck to the cocoon by webbing and the bits
of fabric are woven into the cocoon.
Most of the time
Insects can't see red lights; however, there's a certain taboo against exterior
red lights.
Tom Parker
-Original Message-
From: John E Simmons simmons.jo...@gmail.com
To: pestlist pestlist@museumpests.net
Sent: Tue, Feb 8, 2011 10:01 pm
Subject: Re: [pestlist] About Lizards
Derya -
Indeed, the spots are American cockroach attar stains. They spit this out from
their mouthparts. It's sort of like when a grasshopper spits tobacco juice
on your fingers when you grasp it. The attar contains an aggregation
pheromone, which other American cockroaches can smell with
Springtails and pscosids do not often originate from down below the trap.
Moth or sewer flies might. The minute guys often originate in the slime mold
and mosit areas around the drain cover and inside the pipe above the trap. For
those unused drains in storage areas, a much more permanent
As the labels for ALL the various weights of Nuvan strips state, they are to be
applied only by a professional pest management person; not museum staff.
Tom Parker
-Original Message-
From: Alina Freire-Fierro freirefie...@ansp.org
To: pestlist pestlist@museumpests.net
Sent: Wed,
It depends on the kind of pest:
If it's a webbing or case-making clothes moth - I'd say 2 or 3 is a level of
concern. If it's the common carpet beetle - 4 or 5. If it's silverfish,
probably 6 or more. If it's mice - 1. It also depends on where you find them.
If carpet beetle larvae are
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Megan -
Your beetle is NOT a powderpost beetle. It is a common
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Matt and Robert -
Through the years, I have come to determine
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The black one is a black carpet beetle. The striped one is an elm leaf
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Perhaps it's not a black carpet beetle. They are certainly NOT 1/2"
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B4 posting on the website, better get a correct ID. Black carpet
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If that's the case, then I was correct in my initial assessment.
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Roberta -
It sure looks like Anobium punctatum, the furniture
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Lisa -
It is NOT a powderpost beetle. Although you only have the
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Anne -
If it were webbing clothes moths and newer damage, you'd
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You must encapsulate susceptible items in polyethylene. Carpet
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Timbor is no longer on the market; just Bora-Care.
Tom Parker
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Aleesha -
Spraying around the foundations of buildings for pests
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An insect growth regulator will not affect adult moths; it may
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Nuvan Pro Pest Strips (Vapona resin strips) are labeled for use in
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Forrest -
Neither of those approaches would work. The only
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Maria -
The photo of the egg shows the larva or nymph has hatched
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It has filiform antennae and certainly looks like a ground beetle.
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Whitney -
The beetles are not a direct threat to collections. It
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Neither dermestids nor clothes moth larvae eat silk. Silk has no
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Whitney and Lou -
In my consulting travels, I've even seen
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John -
I particularly liked the flies lining up for the diving
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Shae -
LOL!
Tom Parker
-Original Message-
From:
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Pat -
I might add - in urban situations, the WCM's are not
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Group -
A small glueboard is already available from APG (Atlantic
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HAIL, HAIL!
-Original Message-
From: Iona McCraith
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Group -
I agree with Lou; it's a clover mite. They are very
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They do NOT pose a threat to collections. They are plant feeders.
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Ryan -
It appears there may have been some sort of fresh vegetable
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Group -
If indeed this is the Death Watch beetle, Xestobium
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Gretchen -
I've found American cockroaches and brown recluse
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Group -
Studies have shown a timber damaged by either powder post
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Dana -
First of all, the temperature does not have to reach -20F
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Lou -
It is true about bed bugs; they're tough critters. However,
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Dana -
My rule of thumb (and Tom Strang and Mary-Lou Florian) is
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Good call, Lou. I agree.
Tom Parker
-Original Message-
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PLEASE, stop the bed bug controversy. They are NOT a threat to
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Colin -
Please!
Tom
-Original Message-
From: colin
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Kathleen -
Thank you for the update.
The reason one uses BoraCare
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Whitney -
They are spider egg cases.
Tom Parker
-Original
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Electronic ultrasound units do NOT work on any living animal.
Tom
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Shae -
I do not call repelling rats from a kitchen...success. You
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Abby -
Brush sweepers have many advantages over rubber seals.
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Cory -
Looks like a Trogoderma larva. Most common one is the
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Crane fly.
-Original Message-
From: Kate Hughes
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Group -
Here's a question for those of you who may have had an
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Scott -
I've found boxing up the materials, loading them on
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Barbara -
The rule-of-thumb is 130 degrees Fahrenheit for 3 hours
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Stephanie -
I hope the pest management firm put the Nuvan strips
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Elin -
Heat treatment forstored productpests in grain silos, food
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Director Timothy -
Oklahoma is a hotbed of Brown Recluse Spiders.
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In the ongoing commentary about the Brown Recluse in Oklahoma,
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Here we go again, low oxygen atmospheres. If anyone has worked in
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Abdul -
The newspaper photograph shows very old damage originally
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Ryan -
If the wood in the photos is a softwood (white pine, fir,
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Leonie -
If you simply set the pieces out on a table for a few
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Dr. Rauf -
The use of Imidachloprid, known as Premise in the U.S.,
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Most taxidermists use corn meal for absorbing fats and cleaning.
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Group -
Put the book (if it's not a rare one) on the top rack of a
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Amy -
Simply put a 100 watt light bulb in the cabinet and close it
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