[NatureNS] strange wood boring insect destroying -thx to Bev and

From: Donna Crossland <dcrossland@eastlink.ca>
To: naturens@chebucto.ns.ca
Cc: "'Ogden, Jeffrey'" <Jeffrey.Ogden@novascotia.ca>
References: <01cf01d158a2$6ec4c2f0$4c4e48d0$@ca>
Date: Thu, 28 Jan 2016 19:23:03 -0400
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Thanks David.  I will pass this information along.  You have a point =
about the support posts being possibly pine.  I didn=E2=80=99t ask her =
what kind of wood was in the posts, though this pest is in her hardwood =
floors.  I=E2=80=99m sure she should be able to rustle up a specimen.  =
I=E2=80=99ve encouraged her to keep an eye for the adult beetles, which =
I would think be the most helpful in working through an entomological =
key.  From the biologist viewpoint, it is interesting that it is very =
likely yet another exotic introduction, and I fear that there are far =
too many such introductions to count.  Most of us don=E2=80=99t have the =
right background to recognize them when we see them.  We now live in a =
rapidly changing global world due to human disturbances, and there will =
be many losers among our native suites of species.

=20

Thanks,

=20

Donna

=20

From: naturens-owner@chebucto.ns.ca =
[mailto:naturens-owner@chebucto.ns.ca] On Behalf Of David & Alison =
Webster
Sent: January-28-16 6:26 PM
To: naturens@chebucto.ns.ca
Subject: Re: [NatureNS] strange wood boring insect destroying -thx to =
Bev and Jeff!

=20

Hi Donna,                    Jan 28, 2016

    I continue to recommend trying to get a specimen or preferably =
specimens.

    According to sources I have at hand Lyctus is restricted to hardwood =
and surely no one would use hardwood for support posts. Hardwood will =
bend under the force of gravity. These sources are American Beetles Vol =
2, 861 pp,2002; Dillon & Dillon 1961 and

 https://edis.ifas.ufl.edu/ig119

The latter says that Lyctinae are usually found in wood less than 5 =
years old. Note that none of the larvae pictured in the latter resemble =
your photo.

   =20

    It is always possible that these three sources are incorrect.=20

=20

    But in any case it has been accepted for many years that the best =
way to know how many teeth a horse has is to count them-- after first =
finding a horse.

Yt, DW, Kentville

=20

----- Original Message -----=20

From: Donna Crossland <mailto:dcrossland@eastlink.ca> =20

To: naturens@chebucto.ns.ca=20

Sent: Wednesday, January 27, 2016 8:10 PM

Subject: [NatureNS] strange wood boring insect destroying -thx to Bev =
and Jeff!

=20

Thanks go out to Bev Wigney and Jeff Ogden for confirming the powderpost =
beetles of the genus Lyctus.  Very interesting.  I hope they do not =
spread easily.

=20

I see that all three species are termed =E2=80=9Cadventive=E2=80=9D =
species in Majka=E2=80=99s paper.  For some reason I have not come =
across this term before, and I see that it is used differently than the =
term =E2=80=98invasive species=E2=80=99, though both terms refer to =
introduced species that are running amuck in our ecosystems (our =
domesticated ecosystem in this case).

=20

Wikipedia- the definition of choice I think -

The later and more limited concept is that: An adventive species is one =
that has arrived in a specific geographic area from a different region; =
however, its population is not self-sustaining. Population numbers are =
only increased through re-introduction. After some time, an adventive =
species may become  =
<https://en.wikipedia.org/wiki/Naturalization_(biology)> naturalized OR =
some populations do not sustain themselves reproductively, but exist =
because of continued influx from elsewhere. Such a non-sustaining =
population, or the individuals within it, are said to be adventives

=20

Great work by our Chris Majka, I should add.  I sometimes worry about =
who=E2=80=99s keeping track of all this important species information.  =
He=E2=80=99s our beetle guy!

=20

Many thanks!

=20

Donna

=20

=20

From: naturens-owner@chebucto.ns.ca =
[mailto:naturens-owner@chebucto.ns.ca] On Behalf Of bev wigney
Sent: January-26-16 9:11 PM
To: naturens@chebucto.ns.ca
Subject: Re: [NatureNS] strange wood boring insect destroying a NS home

=20

A bit more info.  I see that there are 3 species of Lyctinae in Nova =
Scotia.  See pages 5, 19 & 20.

=20

http://www.chebucto.ns.ca/Environment/NHR/PDF/Bostrichiformia-Majka.pdf=20

The Derodontidae, Dermestidae, Bostrichidae, and Anobiidae of the =
Maritime Provinces of Canada (Coleoptera: Bostrichiformia)

CHRISTOPHER G. MAJKA

Nova Scotia Museum, 1747 Summer Street, Halifax, Nova Scotia, Canada B3H =
3A6. E-mail: c.majka@ns.sympatico.ca=20

=20

=20

=20


On 2016-01-26, at 8:31 PM, Donna Crossland <dcrossland@eastlink.ca> =
wrote:

A colleague who lives in Caledonia, brought in some skeletonised wood =
from her home last week.  We could not find any wood boring insects in =
the pieces she brought in, but I thought I would submit this mystery to =
the masses.  The holes are very tiny (see photos), quite unlike those of =
carpenter ants, and the sawdust is exceedingly fine.  Most alarmingly, =
she has had to replace the wooden support posts in her basement (now =
made of steel), and tells me that this same beast is now chewing its way =
through her hardwood floors upstairs.  She is guessing that it is in =
other supporting structures of her home.  Ykes.  =20

=20

Anyone have any ideas?  Photos taken as best I could.  I suspect her =
home will require some sort of treatment. =20

=20

https://www.flickr.com/photos/137759708@N03/?

=20

Many thanks in advance.

=20

Donna Crossland

=20

=20

No virus found in this message.
Checked by AVG - www.avg.com
Version: 2016.0.7294 / Virus Database: 4522/11495 - Release Date: =
01/27/16


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</o:shapelayout></xml><![endif]--></head><body bgcolor=3Dwhite =
lang=3DEN-CA link=3Dblue vlink=3Dpurple><div class=3DWordSection1><p =
class=3DMsoNormal><span style=3D'color:#1F497D'>Thanks David.=C2=A0 I =
will pass this information along.=C2=A0 You have a point about the =
support posts being possibly pine.=C2=A0 I didn=E2=80=99t ask her what =
kind of wood was in the posts, though this pest is in her hardwood =
floors.=C2=A0 I=E2=80=99m sure she should be able to rustle up a =
specimen.=C2=A0 I=E2=80=99ve encouraged her to keep an eye for the adult =
beetles, which I would think be the most helpful in working through an =
entomological key.=C2=A0 From the biologist viewpoint, it is interesting =
that it is very likely yet another exotic introduction, and I fear that =
there are far too many such introductions to count.=C2=A0 Most of us =
don=E2=80=99t have the right background to recognize them when we see =
them.=C2=A0 We now live in a rapidly changing global world due to human =
disturbances, and there will be many losers among our native suites of =
species.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'color:#1F497D'>Thanks,<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'color:#1F497D'>Donna<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><div><div =
style=3D'border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm =
0cm 0cm'><p class=3DMsoNormal><b><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span>=
</b><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'> =
naturens-owner@chebucto.ns.ca [mailto:naturens-owner@chebucto.ns.ca] =
<b>On Behalf Of </b>David &amp; Alison Webster<br><b>Sent:</b> =
January-28-16 6:26 PM<br><b>To:</b> =
naturens@chebucto.ns.ca<br><b>Subject:</b> Re: [NatureNS] strange wood =
boring insect destroying -thx to Bev and =
Jeff!<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman","serif"'>Hi =
Donna,&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; Jan 28, =
2016<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Times New =
Roman","serif"'>&nbsp;&nbsp;&nbsp; I continue to recommend trying to get =
a specimen or preferably specimens.<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span style=3D'font-size:12.0pt;font-family:"Times New =
Roman","serif"'>&nbsp;&nbsp;&nbsp; According to sources I have at hand =
Lyctus is restricted to hardwood and surely no one would use hardwood =
for support posts. Hardwood will bend under the force of gravity. These =
sources are American Beetles Vol 2, 861 pp,2002; Dillon &amp; =
Dillon&nbsp;1961 and<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span style=3D'font-size:12.0pt;font-family:"Times New =
Roman","serif"'>&nbsp;<a =
href=3D"https://edis.ifas.ufl.edu/ig119">https://edis.ifas.ufl.edu/ig119<=
/a><o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman","serif"'>The =
latter says that Lyctinae are usually found in wood less than 5 years =
old. Note that none of the larvae pictured in the latter resemble your =
photo.<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Times New =
Roman","serif"'>&nbsp;&nbsp;&nbsp; <o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span style=3D'font-size:12.0pt;font-family:"Times New =
Roman","serif"'>&nbsp;&nbsp;&nbsp; It is always possible that these =
three sources are incorrect. <o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span style=3D'font-size:12.0pt;font-family:"Times New =
Roman","serif"'>&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span style=3D'font-size:12.0pt;font-family:"Times New =
Roman","serif"'>&nbsp;&nbsp;&nbsp; But in any case&nbsp;it has been =
accepted for many years that the best way to know how many teeth a horse =
has is to count them-- after first finding a =
horse.<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman","serif"'>Yt, DW, =
Kentville<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Times New =
Roman","serif"'>&nbsp;<o:p></o:p></span></p></div><blockquote =
style=3D'border:none;border-left:solid black 1.5pt;padding:0cm 0cm 0cm =
4.0pt;margin-left:3.75pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:=
5.0pt'><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif"'>----- =
Original Message ----- <o:p></o:p></span></p></div><div><p =
class=3DMsoNormal style=3D'background:#E4E4E4'><b><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif"'>From:</span><=
/b><span style=3D'font-size:10.0pt;font-family:"Arial","sans-serif"'> <a =
href=3D"mailto:dcrossland@eastlink.ca" =
title=3D"dcrossland@eastlink.ca">Donna Crossland</a> =
<o:p></o:p></span></p></div><div><p class=3DMsoNormal><b><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif"'>To:</span></b=
><span style=3D'font-size:10.0pt;font-family:"Arial","sans-serif"'> <a =
href=3D"mailto:naturens@chebucto.ns.ca" =
title=3D"naturens@chebucto.ns.ca">naturens@chebucto.ns.ca</a> =
<o:p></o:p></span></p></div><div><p class=3DMsoNormal><b><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif"'>Sent:</span><=
/b><span style=3D'font-size:10.0pt;font-family:"Arial","sans-serif"'> =
Wednesday, January 27, 2016 8:10 PM<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><b><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif"'>Subject:</spa=
n></b><span style=3D'font-size:10.0pt;font-family:"Arial","sans-serif"'> =
[NatureNS] strange wood boring insect destroying -thx to Bev and =
Jeff!<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Times New =
Roman","serif"'><o:p>&nbsp;</o:p></span></p></div><p =
class=3DMsoNormal><span =
style=3D'font-size:10.5pt;font-family:"Arial","sans-serif";color:#252525;=
background:white'>Thanks go out to Bev Wigney and Jeff Ogden for =
confirming the </span><b><span =
style=3D'font-size:12.0pt;font-family:"Arial","sans-serif";color:#252525;=
background:white'>powderpost beetles</span></b><span =
style=3D'font-size:10.5pt;font-family:"Arial","sans-serif";color:#252525;=
background:white'> of the genus Lyctus.&nbsp; Very interesting.&nbsp; I =
hope they do not spread easily.<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:10.5pt;font-family:"Arial","sans-serif";color:#252525;=
background:white'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.5pt;font-family:"Arial","sans-serif";color:#252525;=
background:white'>I see that all three species are termed =
=E2=80=9Cadventive=E2=80=9D species in Majka=E2=80=99s paper.&nbsp; For =
some reason I have not come across this term before, and I see that it =
is used differently than the term =E2=80=98invasive species=E2=80=99, =
though both terms refer to introduced species that are running amuck in =
our ecosystems (our domesticated ecosystem in this =
case).<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.5pt;font-family:"Arial","sans-serif";color:#252525;=
background:white'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.5pt;font-family:"Arial","sans-serif";color:#252525;=
background:white'>Wikipedia- the definition of choice I think =
-<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.5pt;font-family:"Arial","sans-serif";color:#252525;=
background:white'>The later and more limited concept is that: An<span =
class=3Dapple-converted-space>&nbsp;</span><b>adventive species</b><span =
class=3Dapple-converted-space>&nbsp;</span>is one that has arrived in a =
specific geographic area from a different region; however, its =
population is not self-sustaining. Population numbers are only increased =
through re-introduction. After some time, an adventive species may =
become<span class=3Dapple-converted-space>&nbsp;</span></span><a =
href=3D"https://en.wikipedia.org/wiki/Naturalization_(biology)" =
title=3D"Naturalization (biology)"><span =
style=3D'font-size:10.5pt;font-family:"Arial","sans-serif";color:#0B0080;=
background:white;text-decoration:none'>naturalized</span></a><span =
class=3Dapple-converted-space><span =
style=3D'font-size:10.5pt;font-family:"Arial","sans-serif";color:#252525;=
background:white'>&nbsp;</span></span><span =
style=3D'font-size:10.5pt;font-family:"Arial","sans-serif";color:#252525;=
background:white'>OR some populations do not sustain themselves =
reproductively, but exist because of continued influx from elsewhere. =
Such a non-sustaining population, or the individuals within it, are said =
to be adventives<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.5pt;font-family:"Arial","sans-serif";color:#252525;=
background:white'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.5pt;font-family:"Arial","sans-serif";color:#252525;=
background:white'>Great work by our Chris Majka, I should add.&nbsp; I =
sometimes worry about who=E2=80=99s keeping track of all this important =
species information.&nbsp; He=E2=80=99s our beetle =
guy!<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.5pt;font-family:"Arial","sans-serif";color:#252525;=
background:white'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.5pt;font-family:"Arial","sans-serif";color:#252525;=
background:white'>Many thanks!<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:10.5pt;font-family:"Arial","sans-serif";color:#252525;=
background:white'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.5pt;font-family:"Arial","sans-serif";color:#252525;=
background:white'>Donna<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><div><div =
style=3D'border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm =
0cm 0cm'><p class=3DMsoNormal><b><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span>=
</b><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'> <a =
href=3D"mailto:naturens-owner@chebucto.ns.ca">naturens-owner@chebucto.ns.=
ca</a> [<a =
href=3D"mailto:naturens-owner@chebucto.ns.ca">mailto:naturens-owner@chebu=
cto.ns.ca</a>] <b>On Behalf Of </b>bev wigney<br><b>Sent:</b> =
January-26-16 9:11 PM<br><b>To:</b> <a =
href=3D"mailto:naturens@chebucto.ns.ca">naturens@chebucto.ns.ca</a><br><b=
>Subject:</b> Re: [NatureNS] strange wood boring insect destroying a NS =
home<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><p class=3DMsoNormal>A bit =
more info. &nbsp;I see that there are 3 species of Lyctinae in Nova =
Scotia. &nbsp;See pages 5, 19 &amp; 20.<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><p class=3DMsoNormal><span =
class=3Dapple-style-span><a =
href=3D"http://www.chebucto.ns.ca/Environment/NHR/PDF/Bostrichiformia-Maj=
ka.pdf">http://www.chebucto.ns.ca/Environment/NHR/PDF/Bostrichiformia-Maj=
ka.pdf</a></span> <o:p></o:p></p><div><div><div><p><b><span =
style=3D'font-size:14.0pt;font-family:"Times","serif"'>The Derodontidae, =
Dermestidae, Bostrichidae, and Anobiidae of the Maritime Provinces of =
Canada (Coleoptera: Bostrichiformia)</span></b><o:p></o:p></p><p><span =
class=3Dapple-style-span><span =
style=3D'font-size:11.5pt;font-family:"Times","serif"'>CHRISTOPHER G. =
MAJKA</span></span><o:p></o:p></p><p><i><span =
style=3D'font-size:9.0pt;font-family:"Times","serif"'>Nova Scotia =
Museum, 1747 Summer Street, Halifax, Nova Scotia, Canada B3H 3A6. =
E-mail: <a =
href=3D"mailto:c.majka@ns.sympatico.ca">c.majka@ns.sympatico.ca</a>&nbsp;=
</span></i><o:p></o:p></p></div></div></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal style=3D'margin-bottom:12.0pt'><br>On 2016-01-26, at =
8:31 PM, Donna Crossland &lt;<a =
href=3D"mailto:dcrossland@eastlink.ca">dcrossland@eastlink.ca</a>&gt; =
wrote:<o:p></o:p></p></div><blockquote =
style=3D'margin-top:5.0pt;margin-bottom:5.0pt'><div><p =
class=3DMsoNormal>A colleague who lives in Caledonia, brought in some =
skeletonised wood from her home last week.&nbsp; We could not find any =
wood boring insects in the pieces she brought in, but I thought I would =
submit this mystery to the masses.&nbsp; The holes are very tiny<span =
style=3D'color:#1F497D'> (see photos)</span>, quite unlike those of =
carpenter ants, and the sawdust is exceedingly fine.&nbsp; Most =
alarmingly, she has had to replace the wooden support posts in her =
basement (now made of steel), and tells me that this same beast is now =
chewing its way through her hardwood floors upstairs.&nbsp; She is =
guessing that it is in other supporting structures of her home.&nbsp; =
Ykes.&nbsp; <span style=3D'color:#1F497D'>&nbsp;</span><o:p></o:p></p><p =
class=3DMsoNormal>&nbsp;<o:p></o:p></p><p class=3DMsoNormal>Anyone have =
any ideas?&nbsp; Photos taken as best I could.&nbsp; I suspect her home =
will require some sort of treatment.&nbsp; <o:p></o:p></p><p =
class=3DMsoNormal>&nbsp;<o:p></o:p></p><p class=3DMsoNormal><a =
href=3D"https://www.flickr.com/photos/137759708@N03/">https://www.flickr.=
com/photos/137759708@N03/</a>?<o:p></o:p></p><p =
class=3DMsoNormal>&nbsp;<o:p></o:p></p><p class=3DMsoNormal>Many thanks =
in advance.<o:p></o:p></p><p class=3DMsoNormal>&nbsp;<o:p></o:p></p><p =
class=3DMsoNormal>Donna Crossland<o:p></o:p></p><p =
class=3DMsoNormal>&nbsp;<o:p></o:p></p><p =
class=3DMsoNormal>&nbsp;<o:p></o:p></p></div></blockquote><p>No virus =
found in this message.<br>Checked by AVG - <a =
href=3D"http://www.avg.com">www.avg.com</a><br>Version: 2016.0.7294 / =
Virus Database: 4522/11495 - Release Date: =
01/27/16<o:p></o:p></p></blockquote></div></body></html>
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