Re: [pestlist] Mite?

2016-06-07 Thread Hilary Kaplan 

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I was long ago told by an entomologist that the red mites are likely
feeding off of microscopic mold, which would make sense as to why they are
found in a humid environment.  It would be helpful if someone with greater
knowledge could corroborate.

Best,
Hilary

On Tue, Jun 7, 2016 at 3:49 PM, Louis Sorkin  wrote:

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>
> Correct. These are very commonly seen as Tom noted. The larvae of most are
> parasitic on arthropods; species of one genus are pollen feeders. Nymphs
> and adults are predaceous.  The pollen feeders have been known to bite
> people – but it’s only tasting, not feeding.  They can actually stay on the
> roof and walls of buildings and don’t go back to the ground.  Crushed mites
> do stain certain substrates.
>
> Lou
>
>
>
> *From:* pestlist-ow...@museumpests.net [mailto:
> pestlist-ow...@museumpests.net] *On Behalf Of *bugman22
> *Sent:* Tuesday, June 07, 2016 3:27 PM
> *To:* pestlist@museumpests.net
> *Subject:* Re: [pestlist] Mite?
>
>
>
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>
> These red mites are quite common crawling up the exterior of buildings and
> entering through the weep holes in the lower frames of windows.  They are
> originating in the moist leaf litter and mulch around the perimeter of the
> building.  You'll have to check with Lou, but I think they are predaceous.
> The only damage they cause is a red smear if crushed.
>
>
>
> Tom Parker
>
>
>
>
>
> -Original Message-
> From: Louis Sorkin 
> To: pestlist 
> Sent: Tue, Jun 7, 2016 3:19 pm
> Subject: RE: [pestlist] Mite?
>
>
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>
>
> Red snout mites are members of Bdellidae; this one looks more like an
> Erythraeidae.
>
> -Original Message-
> From: pestlist-ow...@museumpests.net [
> mailto:pestlist-ow...@museumpests.net] On Behalf Of Betsy Bruemmer
> Sent: Tuesday, June 07, 2016 3:06 PM
> To: pestlist@museumpests.net
> Subject: RE: [pestlist] Mite?
>
>
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>
>
> I have found these too - also in Seattle. I think they are red snout mites.
>
> BETSY BRUEMMER | Collections Manager
>
> MOHAI Resource Center
> 5933 6th Ave South, Seattle, WA 98108
> Mailing: PO Box 80816, Seattle, WA 98108
> P 206 324 1126 Ext 122 F 206 767 2249
> betsy.bruem...@mohai.org MOHAI.org
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>
>
>
> Toys of the '50s, '60s and '70s | On view July 2-Sept. 25 #MOHAItoys
>
> -Original Message-
> From: pestlist-ow...@museumpests.net [
> mailto:pestlist-ow...@museumpests.net] On Behalf Of Jablonski, Megan T
> CIV NHHC, NUM
> Sent: Tuesday, June 07, 2016 11:17 AM
> To: pestlist@museumpests.net
> Subject: [pestlist] Mite?
>
>
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>
>
> Hello everyone,
>
> I found this little guy (less than 1 mm) near our library, which is on the
> third floor. My first guess is that it's a mite, but since it was by our
> library, I wanted to be sure it wasn't something more harmful.
>
> Thank you!
>
> Megan Jablonski
> Collections Manager
> Puget Sound Navy Museum
> Naval History & Heritage Command
> 251 1st Street
> Bremerton, WA 98337
> p. (360) 627-2288
> f. (360) 627-2273
>
> www.PugetSoundNavyMuseum.org
> www.history.navy.mil/PSNM
> www.facebook.com/pugetsoundnavymuseum
>
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Re: [pestlist] Fly damage on a book

2014-03-07 Thread Hilary Kaplan 
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Based on my experience with both mold and fly droppings on paper, my
impression is that these are fly droppings.

Hilary A. Kaplan
Training Specialist
National Archives and Records Administration
8601 Adelphi Road
College Park, MD 20740
hilary.kap...@nara.gov
301 837 0998





On Fri, Mar 7, 2014 at 5:18 AM, Matteo Montanari montanari.mat...@gmail.com
 wrote:

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 hello to everyone,
 of course we should have a microscope view of the damage... I'm agree that
 the distribution of the spots look more like a mould contamination than an
 insect defecation... form this pictures the spots could be the
 frutifications (cleistotheci) of Chaetomuim globosum... but this would mean
 that the book had a relatively recent water soaking event
 regards
 matteo montanari


 2014-03-06 16:44 GMT+01:00 Pascal Querner pascal.quer...@gmx.at:

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 Hi,

 has anyone seen such a damage on a book before?? The book is about 300
 years old and was transported from Yemen to Austria long time ago and is
 now in the national library. I think it looks like fly droppings but I am
 happy for other suggestions!! We have no idea why this book was so
 attractive for the flies. The spots can be removed mechanically and have a
 small relief, bus some stains remain.

 Thank you very much,

 Pascal

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 Dr. Matteo Montanari
 *BIORES art S.R.L.*
 Biodeterioration of cultural heritage: Research  Service
 via F.lli Rosselli, 15
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