Fumigation for termites seems pretty extreme to me. I would recommend a
termidor liquid barrier at least in the area were you may see
reoccurrence...that is if they are subterranean termites. A liquid foundation
barrier would provide residual for many years to come....at least in that area.
It would be best to rod trench and treat around the entire foundation if they
are subterranean termites. If you can schedule cleaning/vacuuming of the high
risk objects around the time the carpet beetle larvae are visible with loops
that will catch them before they do any real damage. You will probably need to
set out pheromone traps to see if you can pinpoint where the hotspot/epicenter
of the carpet beetles are coming from in order to find the source. Insects
limited can help you with a pheromone game plan. This sounds like you have a
challenge on your hands. . JTV
Joel Voron Colonial Williamsburg Foundation
Conservation Dept.
Integrated Pest Management
Office 757-220-7080<tel:757-220-7080>
Cell 757-634-1175<tel:757-634-1175>
E-Mail jvo...@cwf.org<mailto:jvo...@cwf.org>
[X]
On Feb 21, 2019, at 5:02 PM, Adrienne Dastgir
<adrienne.dast...@chickasaw.net<mailto:adrienne.dast...@chickasaw.net>> wrote:
Joel,
I am sorry for the late responses but I have been out of the office all week.
I do not work in the exhibit hall so it is hard for me to tell if the wings are
from termites or from ants. I work in another building where all the
collections are housed. I do not check any of their traps. I know they only
have an exterminator that comes by about once a month, far as traps they do not
have any that I know about. I not sure what he does but when checks the exhibit
hall. In the building that I work in the exterminator sprays the outside of the
building and the area where the offices area, he is not allowed to spray in the
lab, and in the collection areas. I always inform him about pest I fine that
might be a threat. I am not sure if any of the exhibit hall workers have found
anything but wings.
The area is away from a windows, and low light. The exhibit hall Manger said
that he thought that was where the larger number of termites were at before
they fumigated. That they had to take down part of a large display that is on
one side where they are seeing the wings. The Manger thanks it could be from
an old infestation but I do not see how when they vacuum and clean few hours
later they see dust and wings again.
I am not sure what type of termites they fumigated for, and I am not sure what
they used. I do know that they had to keep the exhibit hall closed for 48 hours
when they did fumigated, the exterminator told me that there was all kinds of
pest that were killed not just the termites. I am not sure how fast they
cleaned up all the other pest that were killed.
The concern with opening the one display case up was that the beetles were
alive and may fly out into the other areas, but if you do not open it up than
the beetles may eat all the items that are in the case. The other display
area there is no way to open it up that I could see, guess a drill and
borescope. I am guessing this can get into cost.
I am also not sure how clean they are getting everything.
I am currently the only one campus that knows about museum pest. All I know I
learned when I started in 2017.
Thanks, for the help
Adrienne Dastgir
From: pestlist@googlegroups.com<mailto:pestlist@googlegroups.com>
[mailto:pestlist@googlegroups.com] On Behalf Of Voron, Joel
Sent: Monday, February 18, 2019 5:03 PM
To: pestlist@googlegroups.com<mailto:pestlist@googlegroups.com>
Subject: Re: [pestlist] Carpet beetle large area and termites
The wings may be from ants and not termites?
Are the wings being discovered in a readily observed space or could they be
from an old infestation and just being uncovered now?
If near a window the wings are probably fresh.
I can't imagine termites having enough meat on them for carpet beetles to take
hold. I was under the impression that they would desiccate rather quickly.
What type of fumigant has been used and for what type of termite?
If your cases with the carpet beetle problems are built ins and sealed you need
to see if someone can get a kick plate off or find a place where you can drill
and send a borascope in to have a look under them.
There is a possibility that there is enough old dust hair and skin under there
cases or the floor for that matter where the carpet beetles have set up shop.
May be two completely separate issues going on as a coincidence.JTV
Joel Voron Colonial Williamsburg Foundation
Conservation Dept.
Integrated Pest Management
Office 757-220-7080<tel:757-220-7080>
Cell 757-634-1175<tel:757-634-1175>
E-Mail jvo...@cwf.org<mailto:jvo...@cwf.org>
[X]
On Feb 18, 2019, at 4:25 PM, Alex Roach
<alexro...@modifiedatmospheres.com.au<mailto:alexro...@modifiedatmospheres.com.au>>
wrote:
Hi Adrienne
You are right that the insect bodies are left in treated items, and they can be
a food source/attractant for dermestids.
The wings may be alate wings. Reproductive termites have two pairs of wings
that they shed following colonising flights.
Do you know what sort of termites were in the building? What treatment was
carried out?
Best wishes
Alex
Alex Roach
Director
Modified Atmospheres
On Mon, 18 Feb 2019 at 09:52, Adrienne Dastgir
<adrienne.dast...@chickasaw.net<mailto:adrienne.dast...@chickasaw.net>> wrote:
Hi All
I have questions about carpet beetle. I know they are very damaging to
collection they can destroy a textile collect in a few days if there is an
infestation. They can go unnoticed for long time because of their sizes. Here
is the issue about six month ago our main exhibit hall had termites. Which has
been an ongoing battle for over year now. I am not 100% sure because of how
many times fumigated has happened before I started here. I know that they have
fumigated at least three times since 2017. The last time being about six months
ago. Which the workers in the exhibit hall thought that there were no more
termites. I thank the Manger said that his staff began to fine wings about
two-three months ago, and what they thought was termites. The pest guy kept
telling him that they were nothing that no way there could still be termites
and that pest that they were fining would not harm the items on display.
I was asked by my Manger to go take a look at what they were fining to see if
it was more termites. However, it was not termites it was larvae of an
Dermistidae (Carpet beetle). In addition to this they are still finding
termite wings. Which makes me think that they may still have termites. I had
saw an email from pest list when someone had asked if dead pest attracts
dermestid beetles, the answer was no but they do not help. The termites were
of course in the walls and under display areas that were made of wood, and
other areas. These areas they were unable to remove any dead termites, so any
termites that were dead that were in the walls, under displays that were unable
to move were left. An exhibit hall worker found three alive dermestid beetle
larvae this morning and this afternoon they found five adult beetles all dead.
Here are my questions:
1. Could the beetles be feeding on the dead termites and causing the
wings to be present?
2. Is it possible that the termites are still there and that the
fumigation did not work and the beetles are still feeding on some of the dead
termites?
3. If the dermestid beetles are in the wall feeding on something how are
we going to eliminate them? The area where the beetles are being found at the
display does not move it is attached to the wall and it is wood with textiles
display on top. It only has a piece of lather and feather that can be removed
and CO2 or frozen. I real do not see what they could be fed on. Other than
something behind the display and wall. However, there are other areas in the
exhibit hall that are textiles that are at risk, large animal skins, cases of
feather, leather clothes, and fur.
4. Has anyone fumigate and been successful in killing them? If you do
fumigate does it leave dead bodies in walls which could cause an another
infestation.
I have found dermestid in other areas on our campus. In the Archives building
the area was much smaller and easier to clean. We were able to freeze and CO2
everything.
Any suggestions would be help.
Thanks,
Adrienne Dastgir
Curator of Collections
Chickasaw Culture Center
Sulphur Oklahoma
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