Looks like carpenter bee dust and feces. They also spray a sludge/tar looking 
kind of substance so look for that and you can confirm for certain and solve 
the mystery. 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 Aug 6, 2020, at 2:55 PM, Tran, Melanie@Parks <melanie.t...@parks.ca.gov> 
wrote:


[CAUTION: This message originated from outside the Foundation. Do not click 
links, open attachments or take action unless you know the contents are safe]
Joel,

We did see holes that match your description. They seemed to line up with the 
saw dust piles as well.

Thanks,
Melanie

From: pestlist@googlegroups.com <pestlist@googlegroups.com> On Behalf Of Voron, 
Joel
Sent: Thursday, August 6, 2020 11:23 AM
To: pestlist@googlegroups.com
Subject: Re: [PestList] ID requested: wood pest

Have you looked for larger holes the size of your pinkie perfectly round like 
carpenter bee holes? People usually look for very tiny holes first. 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 Aug 6, 2020, at 2:16 PM, Tran, Melanie@Parks 
<melanie.t...@parks.ca.gov<mailto:melanie.t...@parks.ca.gov>> wrote:

[CAUTION: This message originated from outside the Foundation. Do not click 
links, open attachments or take action unless you know the contents are safe]
Hello,

We’ve noticed sawdust and remnants underneath one of our wood paneled railroad 
cars. Unfortunately, we haven’t located any boring holes/exit holes. 
Photographed are samples of an adult and what appears to be larvae or excrement 
(we are unsure).

The railroad car was moved to Sacramento, CA at the beginning of the year and 
there was no activity at the time. This is a recent development.

Please let me know if anyone can help identify. Thanks in advance!

Thanks,
Melanie

Melanie Tran
California State Railroad Museum<https://www.californiarailroad.museum/>
Curator I
916|501|0269
melanie.t...@parks.ca.gov<mailto:melanie.t...@parks.ca.gov>

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