Re: [pestlist] FW: Bug

[Todd Holmberg]

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My guess would be a "sowbug".  If that is what it is, my understanding is
they are not a threat to artwork.  It can be common for them to come
in through cracks in a foundation.

-Todd

On Fri, Dec 29, 2017 at 11:04 AM, Lisa Bruno 
wrote:

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>
>
> This was found on a wall in a gallery.  Does anyone have thoughts on its
> ID?  Not something we've seen before.
>
> Thanks in advance.
>
> Lisa Bruno
> Carol Lee Shen Chief Conservator
> Brooklyn Museum
> 200 Eastern Parkway, Brooklyn, NY 11238-6052
> P 718-501-6562
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Re: [pestlist] Mystery bug in textiles

[Todd Holmberg]

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Lena,

It looks kind of like a phorid fly.  They sometimes appear in janitor's
closets around mop buckets and/or standing water in floor drains.  From
what I know, I don't think they are considered threats to museum objects,
other than they themselves becoming a food source for other problem insects.

-Todd

On Mon, Nov 13, 2017 at 8:42 AM, Lena Hernandez 
wrote:

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> Hi all,
>
>
>
> One of my interns found this bug in a box of textiles. (see attached
> photos)  I’m guessing it is a type of gnat (?) and thus just by-catch. I
> just wanted to make sure since it is not one that I had seen before.
>
>
>
> Thanks!
>
>
>
> Lena
>
>
>
> Lena Hernandez
>
> Collections Manager & Registrar
>
>
>
> Museum of Science & History
>
> 1025 Museum Circle
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> Jacksonville, FL 32207
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> (904)396-6674 x212 <(904)%20396-6674>
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> lhernan...@themosh.org
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Re: [pestlist] Moth identification

[Todd Holmberg]

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It looks like it could be a Casemaking Cloths moth.  Similar to a Webbing
Cloths moth, but slightly darker wings with spots.  I would try putting a
pheromone lure (specific to Casemaking moths) in the area and see what it
shows after a few weeks.

-Todd



On Thu, Nov 9, 2017 at 11:00 AM, Hanson Plass, Kathryn <
kate_hanson_pl...@nps.gov> wrote:

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> I'm hoping for some help identifying this moth, found on a sticky trap in
> a storage room.  The ruler at the side is in mm - the moth is about 7mm
> long.  It's not a familiar casual invader to me, and I want to rule out
> clothes moths.
>
> Thank you,
> Kate
>
> --
> Kate Hanson Plass
> Museum Technician
> Longfellow House-Washington's Headquarters
> National Historic Site
> 105 Brattle Street
> 
> Cambridge, MA 02138
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> 617-876-4491 x13 <(617)%20876-4491>
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Re: [pestlist] Suggestions re solutions for termite infestation in the tropics

[Todd Holmberg]

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Hello Everyone,

Good thread- very informative.

Since the topic of freezing is going on here, I was wondering if I could
pick your brains on a few things.  Hopefully this doesn't take us to far
off topic.

1)  Does anyone here have strong opinions about the mil of plastic used in
freezing treatments?  Is there a good "go to mil" that you like
for freezing bags?  Is the only downside to a thinner mil its greater
likelihood of tearing, or does it have a less desirable affect in other
aspects of freezing too?

2)  How big of a problem is it, when loading a freezer, if a small scuff is
made in the plastic?  If there is any hole/scuff in the plastic membrane
(even a small fraction of an inch) does that compromise the object
inside?  If the scuff is made only on the outer bag, and it is "double
bagged", does that outer bag need to be taken off and "re-bagged"?

If anyone has opinions on these issues I would appreciate your feedback.

Thanks!
Todd Holmberg
Collection Maintenance Technician
Minneapolis Institute of Art

On Wed, Nov 8, 2017 at 2:13 PM, Hazra Medica <hazra.med...@ab.gov.ag> wrote:

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> Excellent idea, Joel!  Will save so me much time and tears.
>
>
> Many thanks.
>
>
> *Hazra C. Medica*
>
>
>
> *Advisor/Consultant on Cultural Matters Ministry of Trade, Industry,
> Commerce & Consumer Affairs Ministry of Sports, Culture & National
> Festivals St. John's  Antigua W.I.*
>
>
> --
> *From:* pestlist-ow...@museumpests.net <pestlist-ow...@museumpests.net>
> on behalf of Voron, Joel <jvo...@cwf.org>
> *Sent:* Wednesday, 08 November 2017 09:09:25
>
> *To:* pestlist@museumpests.net
> *Subject:* Re: [pestlist] Suggestions re solutions for termite
> infestation in the tropics
>
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>If you can make a small breech in the wrap without risking the pieces
> you could get the desiccant packets in without the hassle of unwrapping
> them and just tape up the slit.  JTV
>
>
> *Joel Voron   **Colonial Williamsburg Foundation*
>
>   Conservation Dept.
>
>  Integrated Pest Management
>
>   Office 757-220-7080 <(757)%20220-7080>
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> Cell 757-634-1175 <(757)%20634-1175>
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>   E-Mail jvo...@cwf.org
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> [image: 1474552137245_IMG_0499.JPG]
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> --
> *From:* pestlist-ow...@museumpests.net <pestlist-ow...@museumpests.net>
> on behalf of Hazra Medica <hazra.med...@ab.gov.ag>
> *Sent:* Wednesday, November 8, 2017 8:02:39 AM
> *To:* pestlist@museumpests.net
> *Subject:* Re: [pestlist] Suggestions re solutions for termite
> infestation in the tropics
>
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> Joel,
>
>
> Thank you for this bit of information.  I'll unwrap and re-wrap with the
> necessary precautions to avoid causing any unnecessary harm.
>
>
> Best regards.
>
>
> *Hazra C. Medica*
>
>
>
> *Advisor/Consultant on Cultural Matters Ministry of Trade, Industry,
> Commerce & Consumer Affairs Ministry of Sports, Culture & National
> Festivals St. John's,  Antigua W.I.*
>
>
> --
> *From:* pestlist-ow...@museumpests.net <pestlist-ow...@museumpests.net>
> on behalf of Voron, Joel <jvo...@cwf.org>
> *Sent:* Wednesday, 08 November 2017 06:31:25
> *To:* pestlist@museumpests.net
> *Subject:* Re: [pestlist] Suggestions re solutions for termite
> infestation in the tropics
>
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> If the RH inside the bags is 30% to 50% mold should not be an issue.
> Usually 60% and above is where you run into problems. JTV
>

Re: [pestlist] Powderpost vs Furniture Beetle

[Todd Holmberg]

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Dawn,

Thanks- great info!

-Todd

On Fri, Oct 13, 2017 at 9:55 AM, Dawn Roberts <drobe...@naturemuseum.org>
wrote:

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> It looks like Anobium sp. to me. The Lyctus I've seen tend to have a
> thorax that is more narrow than their abdomen, whereas Anobium seems like
> their thorax and abdomen are pretty equal in width. Anobium also seems to
> have it head positioned lower, as if the thorax gives it a little neck
> shield. I found a site with a good explanation of identifying the
> differences between Lyctus sp. and Anobium sp. that you may find useful:
> http://ipm.ucanr.edu/PMG/PESTNOTES/pn7418.html  Bugguide.net also has
> good pictures.
>
> For an artifact, I would approach a similar treatment for either -- anoxic
> chamber would be my first choice if you have that available; if not, then
> freeze treatment over heating treatment, which I would be concerned that
> you'd run the risk of over drying the wood and cause cracking. Then clean
> it really well with a HEPA vacuum and brushes.
>
> Dawn
>
>
> Dawn Roberts | Director of Collections
> Chicago Academy of Sciences / Peggy Notebaert Nature Museum
> 2430 North Cannon Drive, Chicago, IL 60614
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> The Urban Gateway to Nature and Science
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>
>
>
> -Original Message-
> From: pestlist-ow...@museumpests.net on behalf of Todd Holmberg
> Sent: Thu 10/12/2017 3:04 PM
> To: pestlist@museumpests.net
> Subject: [pestlist]  Powderpost vs Furniture Beetle
>
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>
> Hello Everyone,
>
> A mask recently came in with evidence of wood boring pests.  We will be
> freezing the mask.  The beetle pictured was found in the wrapping (it was
> found dead).  I am wondering, can anyone confirm if this is a Powderpost
> beetle vs a Furniture beetle?
>
> In the end, does distinguishing between the 2 really matter? (treatment
> methods, severity of damage, one being considered "worse" than the
> other...)
>
> Thanks!
> Todd Holmberg
>
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Re: [pestlist] Moths

[Todd Holmberg]

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Elizabeth,

I think you can cross webbing/case making moths off the list for that first
one.  On your moth, the head looks different, the body looks a little
"thicker" and webbing moth larvae are white.

Not sure on that second one...

-Todd

On Thu, Oct 12, 2017 at 12:37 PM, Shaeffer, Elizabeth <
eshaef...@email.gwu.edu> wrote:

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> Hello all,
>
> I would be grateful if you could help me identify these moths. Both are
> the first of either type we have found. The moth in image 1 also appears to
> have larvae associated with it on the trap. The trap has only been in place
> since September 19.
>
> Image 1: non-pheromone sticky trap, 6.5 mm long (case-bearing clothes
> moth?)
> Image 2: on a window sill, 6 mm long
>
> Thank you,
> Elizabeth
> --
> Elizabeth Shaeffer
> *Associate Conservator*
> Foggy Bottom: 701 21st Street, NW  • Washington, DC 20052
> 
> Avenir Center: 44930 Knoll Square
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>  Ashburn,
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Re: [pestlist] moth id

[Todd Holmberg]

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Tamar,

Interesting.  If I had to guess, I would say those were either webbing
moths or case making moths.  I am trying to learn more about how these
moths survive and spread, so I will be following this thread...

Could it be a case where the bones had the moth eggs on them before they
were placed in the current environment?

Is the bone cleaning environment sealed pretty well to keep moths/larvae
from getting in from the outside?

Thanks for posting,
-Todd

On Wed, Sep 27, 2017 at 5:48 PM, Tamar Danufsky  wrote:

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> Greetings,
>
> These moths have erupted in my dermestid colony.  Wondering what they are
> and why they're there.  There are only beetles and fleshed bones they are
> cleaning in the colony, no fur, feathers or skin.
>
> thanks!
>
> Tamar
>
> **
> Tamar Danufsky
> Museum Curator and
> Marine Wildlife Care Center Coordinator
> Wildlife Department
> Humboldt State University
> Arcata, CA 95521
> phone (707)826-4034 <(707)%20826-4034>
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