Re: [pestlist] Insect ID New Pix #2

2011-12-15 Thread Lou
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Ryan, Thanks for sending the specimens. As I suggested in an
earlier email, 

I think they look more like _Corticaria_ species (hard
to say, the image can't be zoomed in without losing definition) or
something similar. These would be beetles that belong to the
Latridiidae. Older literature/name is listed as Lathridiidae., 

they
are representatives of the family Latridiidae (minute brown scavenger
beetles), genus _Corticaria_, and not ground beetles, members of the
family Carabidae. Antennae not filiform, but have last 3 segments of
antennae enlarged. Hind trochanters normal, not expanded, extended.
Probably _Corticaria serrata._ 

I recently found these little guys in
a historic house on property. Here are the environmental conditions: 

·
Specimens were located almost exclusively on 2nd floor  

· Specimens
were found on wood floors (unfinished) with gaps in between boards and
an inaccessible void underneath  

· Specimens found mostly under beds
and on insect monitors  

· A few specimens found on a wool blanket
(dead) folded on a colonial era bed   

Since latridiids feed
exclusively on molds, fungi, there must be something going on in that
area that allows mold  fungi to grow. It may not be a large growth, but
enough to support a latridiid population. It may be a water leak,
seepage, condensation, something that isn't obvious but related to a
moisture condition. It could be on the lower floor and the beetles are
crawling up to the 2nd floor because it's easier in some way to get to
where you are finding them. Could be on a higher lever and they are
coming down. There may be another explanation, maybe you will find out
more information during your investigation. Keep us informed. 

On Thu,
8 Dec 2011 18:38:23 -0500, bugma...@aol.com wrote: 

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 It has
filiform antennae and certainly looks like a ground beetle. 
 
 Tom
Parker
 
 -Original Message-
 From: Jones, Robert (Ryan)
(Ryan) 
 To: 'pestlist@museumpests.net' 
 Sent: Thu, Dec 8, 2011 5:20
pm
 Subject: [pestlist] Insect ID New Pix #2
 
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Louis N. Sorkin, B.C.E.
Entomology
Section
Division of Invertebrate Zoology
American Museum of Natural
History
Central Park West at 79th Street
New York, NY 10024-5192

phone:
212-769-5613
fax: 212-769-5277
email: sor...@amnh.org

The New York
Entomological Society, Inc.
email: n...@amnh.org
web:
www.nyentsoc.org
Online journal from 2001
forward
www.BioOne.org
www.jstor.org
  

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RE: [pestlist] Insect ID New Pix #2

2011-12-15 Thread Morgan, Amber
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I hope you don't mind if I jump in, but since you are already talking about 
Latridiidae...

We've had minute brown scavenger beetles in our building, and they were 
concentrated in cardboard boxes containing bubble wrap.  They were in a climate 
controlled space (68F/48%rh).  I have a couple of theories of where the beetles 
might be coming from, but any suggestions as to why they keep going after our 
bubble wrap?  I'm guessing it has something to do with the plastic trapping 
moisture which would promote mold growth, but we don't see any evidence of mold 
on the bubble wrap.  It also makes me question the use of bubble wrap in 
collections.  Does anyone out there have more experience with Latridiidae and 
know why they want my bubble wrap and how I can keep them out of it?  Or care 
to comment on bubble wrap as a safe harbor for mold?

Thanks,
Amber

the warhol:
Amber E. Morgan
Associate Registrar
117 Sandusky Street
Pittsburgh, PA 15212
T 412.237.8306
F 412.237.8340
E morg...@warhol.org
W www.warhol.orghttp://www.warhol.org/
The Andy Warhol Museum
One of the four Carnegie Museums of Pittsburgh
Email newsletter http://members.carnegiemuseums.org/email
Membership http://members.carnegiemuseums.org/SupportCMP



From: ad...@museumpests.net [mailto:ad...@museumpests.net] On Behalf Of Lou
Sent: Thursday, December 15, 2011 12:21 PM
To: pestlist@museumpests.net
Subject: Re: [pestlist] Insect ID New Pix #2


Ryan, Thanks for sending the specimens.  As I suggested in an earlier email,

I think they look more like Corticaria species (hard to say, the image can't 
be zoomed in without losing definition) or something similar.  These would be 
beetles that belong to the Latridiidae.  Older literature/name is listed as 
Lathridiidae.,

they are representatives of the family Latridiidae (minute brown scavenger 
beetles), genus Corticaria, and not ground beetles, members of the family 
Carabidae.  Antennae not filiform, but have last 3 segments of antennae 
enlarged.  Hind trochanters normal, not expanded, extended.  Probably 
Corticaria serrata.

I recently found these little guys in a historic house on property. Here are 
the environmental conditions:

* Specimens were located almost exclusively on 2nd floor
* Specimens were found on wood floors (unfinished) with gaps in between 
boards and an inaccessible void underneath
* Specimens found  mostly under beds and on insect monitors
* A few specimens found on a wool blanket (dead) folded on a colonial 
era bed

Since latridiids feed exclusively on molds, fungi, there must be something 
going on in that area that allows mold  fungi to grow.  It may not be a large 
growth, but enough to support a latridiid population.  It may be a water leak, 
seepage, condensation, something that isn't obvious but related to a moisture 
condition.  It could be on the lower floor and the beetles are crawling up to 
the 2nd floor because it's easier in some way to get to where you are finding 
them.  Could be on a higher lever and they are coming down.  There may be 
another explanation, maybe you will find out more information during your 
investigation.  Keep us informed.



On Thu, 8 Dec 2011 18:38:23 -0500, bugma...@aol.com wrote:

This is a message from the Museumpests List.
To post to this list send it as an email to pestlist@museumpests.net
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---
It has filiform antennae and certainly looks like a ground beetle.

Tom Parker

-Original Message-
From: Jones, Robert (Ryan) (Ryan)
To: 'pestlist@museumpests.net'
Sent: Thu, Dec 8, 2011 5:20 pm
Subject: [pestlist] Insect ID New Pix #2
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RE: [pestlist] Insect ID New Pix #2

2011-12-15 Thread Jones, Robert (Ryan)
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Thanks, Lou. I will keep everyone posted on this.

From: ad...@museumpests.net [mailto:ad...@museumpests.net] On Behalf Of Lou
Sent: Thursday, December 15, 2011 12:21 PM
To: pestlist@museumpests.net
Subject: Re: [pestlist] Insect ID New Pix #2

This is a message from the Museumpests List.
To post to this list send it as an email to pestlist@museumpests.net
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Ryan, Thanks for sending the specimens.  As I suggested in an earlier email,

I think they look more like Corticaria species (hard to say, the image can't 
be zoomed in without losing definition) or something similar.  These would be 
beetles that belong to the Latridiidae.  Older literature/name is listed as 
Lathridiidae.,

they are representatives of the family Latridiidae (minute brown scavenger 
beetles), genus Corticaria, and not ground beetles, members of the family 
Carabidae.  Antennae not filiform, but have last 3 segments of antennae 
enlarged.  Hind trochanters normal, not expanded, extended.  Probably 
Corticaria serrata.

I recently found these little guys in a historic house on property. Here are 
the environmental conditions:

· Specimens were located almost exclusively on 2nd floor
· Specimens were found on wood floors (unfinished) with gaps in between 
boards and an inaccessible void underneath
· Specimens found  mostly under beds and on insect monitors
· A few specimens found on a wool blanket (dead) folded on a colonial 
era bed

Since latridiids feed exclusively on molds, fungi, there must be something 
going on in that area that allows mold  fungi to grow.  It may not be a large 
growth, but enough to support a latridiid population.  It may be a water leak, 
seepage, condensation, something that isn't obvious but related to a moisture 
condition.  It could be on the lower floor and the beetles are crawling up to 
the 2nd floor because it's easier in some way to get to where you are finding 
them.  Could be on a higher lever and they are coming down.  There may be 
another explanation, maybe you will find out more information during your 
investigation.  Keep us informed.



On Thu, 8 Dec 2011 18:38:23 -0500, bugma...@aol.com wrote:

This is a message from the Museumpests List.
To post to this list send it as an email to pestlist@museumpests.net
To unsubscribe please look at the footer of this email.
---
It has filiform antennae and certainly looks like a ground beetle.

Tom Parker

-Original Message-
From: Jones, Robert (Ryan) (Ryan)
To: 'pestlist@museumpests.net'
Sent: Thu, Dec 8, 2011 5:20 pm
Subject: [pestlist] Insect ID New Pix #2
This is a message from the Museumpests List.
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---

Please consider the environment before printing this e-mail





Louis N. Sorkin, B.C.E.

Entomology Section

Division of Invertebrate Zoology

American Museum of Natural History

Central Park West at 79th Street

New York, NY 10024-5192



phone: 212-769-5613

fax: 212-769-5277

email: sor...@amnh.org



The New York Entomological Society, Inc.

email: n...@amnh.org

web: www.nyentsoc.org

Online journal from 2001 forward

www.BioOne.org

www.jstor.org

Re: [pestlist] Insect ID New Pix #2

2011-12-08 Thread bugman22
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It has filiform antennae and certainly looks like a ground beetle.

Tom Parker



-Original Message-
From: Jones, Robert (Ryan) (Ryan) rjo...@cwfoundation.onmicrosoft.com
To: 'pestlist@museumpests.net' pestlist@museumpests.net
Sent: Thu, Dec 8, 2011 5:20 pm
Subject: [pestlist] Insect ID New Pix #2


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