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Hi All, Oct 2, 2013
A horntail no doubt and, for what it is worth (very little), I agree =
that Tremex columba is likely.=20
Horntails are entirely harmless so it is good luck to have one land =
on your arm; the better to see it.
There is another recent Siricid guide at
https://www.google.ca/url?sa=3Dt&rct=3Dj&q=3D&esrc=3Ds&source=3Dweb&cd=3D=
3&cad=3Drja&ved=3D0CDsQFjAC&url=3Dhttp%3A%2F%2Fbooks.google.com%2Fbooks%2=
Fabout%2FGuide_to_the_siricid_woodwasps_of_North.html%3Fid%3DYU52YUulKYUC=
&ei=3D8JNMUsywL8WGyQG74YGwDA&usg=3DAFQjCNHJiR9LRorWPL6jIg1UCDc2eIAbCA&bvm=
=3Dbv.53371865,d.aWM
!!These Google links tend to be very long.
Yt, DW
----- Original Message -----=20
From: David McCorquodale=20
To: naturens@chebucto.ns.ca=20
Sent: Wednesday, October 02, 2013 5:10 PM
Subject: Re: [NatureNS] Large Flying insect: what is it?
This is a horntail (Hymenoptera: Siricidae). I will hazard to go =
further and suggest it is likely _Tremex columba_. They are in the same =
general group of Hymenoptera as the sawflies.
Females lay eggs through the long ovipositor into stressed or recently =
dead trees. In this species it is in deciduous trees, lots of different =
species of deciduous trees. After feeding near the surface they go =
into the wood. Late September and into October is the peak time of =
emergence of adults.
While larvae the spectacular ichneumonids in the genus _Megarhyssa_ try =
to find them so they can lay eggs in them. For some extreme =
ovipositors, have a look at Megarhyssa: =
http://bugguide.net/node/view/4158/bgpage
Henri Goulet of the Canadian National Insect Collection was involved in =
producing an online key to siricids last year. You can find it here: =
http://www.biology.ualberta.ca/bsc/ejournal/sgsbws_21/sgsbws_21.html
Bugguide has a few photos of the Pigeon Tremex: =
http://bugguide.net/node/view/36832/bgpage
DBMc
David McCorquodale
Georges River, NS
On Wed, Oct 2, 2013 at 4:03 PM, Bernard Burke <bernieb1@eastlink.ca> =
wrote:
Hi all
While at work today I was outside talking to a work associate when =
this large flying insect came near and appeared to be trying to land on =
me. I backed off rather abruptly and it landed on the sidewalk. I asked =
the associate if he would take a picture with his camera phone. It was =
clearly longer than a bald-faced hornet , and I think it appears to have =
had a forked tail similar to an earwig. After this photo was taken, the =
creature folded its wings one over the other in line with its body =
before it eventually departed. The photo is not clear, and I enlarged it =
and attempted to sharpen it, but I'm hoping that my description along =
with the color scheme indicated in the photo will help someone help me =
identify it:
=
http://bernieb.smugmug.com/Nature/insectsspiders-etc/797514_PQxc2P#!i=3D2=
806020593&k=3DtMk2wVS&lb=3D1&s=3DL
Thanks in advance
Bernard Burke
Dartmouth
No virus found in this message.
Checked by AVG - www.avg.com
Version: 2014.0.4142 / Virus Database: 3604/6715 - Release Date: =
10/01/13
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<META content=3D"text/html; charset=3Diso-8859-1" =
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<META name=3DGENERATOR content=3D"MSHTML 8.00.6001.23520">
<STYLE></STYLE>
</HEAD>
<BODY bgColor=3D#ffffff>
<DIV>Hi All, =20
=
Oct=20
2, 2013</DIV>
<DIV> A horntail no doubt and, for what it is worth =
(very=20
little), I agree that Tremex columba is likely. </DIV>
<DIV> Horntails are entirely harmless so it is good =
luck to=20
have one land on your arm; the better to see it.</DIV>
<DIV style=3D"FONT: 10pt arial"><FONT size=3D3> There =
is another=20
recent Siricid guide at</FONT></DIV>
<DIV style=3D"FONT: 10pt arial"><FONT size=3D3><A=20
href=3D"https://www.google.ca/url?sa=3Dt&rct=3Dj&q=3D&esrc=3D=
s&source=3Dweb&cd=3D3&cad=3Drja&ved=3D0CDsQFjAC&url=3D=
http%3A%2F%2Fbooks.google.com%2Fbooks%2Fabout%2FGuide_to_the_siricid_wood=
wasps_of_North.html%3Fid%3DYU52YUulKYUC&ei=3D8JNMUsywL8WGyQG74YGwDA&a=
mp;usg=3DAFQjCNHJiR9LRorWPL6jIg1UCDc2eIAbCA&bvm=3Dbv.53371865,d.aWM">=
https://www.google.ca/url?sa=3Dt&rct=3Dj&q=3D&esrc=3Ds&so=
urce=3Dweb&cd=3D3&cad=3Drja&ved=3D0CDsQFjAC&url=3Dhttp%3A=
%2F%2Fbooks.google.com%2Fbooks%2Fabout%2FGuide_to_the_siricid_woodwasps_o=
f_North.html%3Fid%3DYU52YUulKYUC&ei=3D8JNMUsywL8WGyQG74YGwDA&usg=3D=
AFQjCNHJiR9LRorWPL6jIg1UCDc2eIAbCA&bvm=3Dbv.53371865,d.aWM</A></FONT>=
</DIV>
<DIV style=3D"FONT: 10pt arial"><FONT size=3D3></FONT> </DIV>
<DIV style=3D"FONT: 10pt arial"><FONT size=3D3>!!These Google links tend =
to be=20
very long.</FONT></DIV>
<DIV style=3D"FONT: 10pt arial"><FONT size=3D3>Yt, DW</FONT></DIV>
<DIV style=3D"FONT: 10pt arial">----- Original Message -----=20
<DIV style=3D"BACKGROUND: #e4e4e4; font-color: black"><B>From:</B> <A=20
title=3Ddbmcc09@gmail.com href=3D"mailto:dbmcc09@gmail.com">David =
McCorquodale</A>=20
</DIV>
<DIV><B>To:</B> <A title=3Dnaturens@chebucto.ns.ca=20
href=3D"mailto:naturens@chebucto.ns.ca">naturens@chebucto.ns.ca</A> =
</DIV>
<DIV><B>Sent:</B> Wednesday, October 02, 2013 5:10 PM</DIV>
<DIV><B>Subject:</B> Re: [NatureNS] Large Flying insect: what is =
it?</DIV></DIV>
<DIV><BR></DIV>
<DIV dir=3Dltr>
<P><SPAN style=3D"FONT-FAMILY: Arial">This is a horntail (Hymenoptera: =
Siricidae).=20
I will hazard to go further and suggest it is likely _Tremex =
columba_.=20
They are in the same general group of Hymenoptera as the=20
sawflies.</SPAN></P>
<P><SPAN style=3D"FONT-FAMILY: Arial">Females lay eggs through the long =
ovipositor=20
into stressed or recently dead trees. In this species it is in =
deciduous=20
trees, lots of different species of deciduous trees. After =
feeding near=20
the surface they go into the wood. Late September and into October =
is the=20
peak time of emergence of adults.</SPAN></P>
<P><SPAN style=3D"FONT-FAMILY: Arial">While larvae the spectacular =
ichneumonids in=20
the genus _Megarhyssa_ try to find them so they can lay eggs in them.=20
</SPAN>For some extreme ovipositors, have a look at =
Megarhyssa: <A=20
href=3D"http://bugguide.net/node/view/4158/bgpage">http://bugguide.net/no=
de/view/4158/bgpage</A></P>
<P><SPAN style=3D"FONT-FAMILY: Arial">Henri Goulet of the Canadian =
National Insect=20
Collection was involved in producing an online key to siricids last =
year.=20
You can find it here: <A=20
href=3D"http://www.biology.ualberta.ca/bsc/ejournal/sgsbws_21/sgsbws_21.h=
tml">http://www.biology.ualberta.ca/bsc/ejournal/sgsbws_21/sgsbws_21.html=
</A></SPAN></P>
<P>Bugguide has a few photos of the Pigeon Tremex: <A=20
href=3D"http://bugguide.net/node/view/36832/bgpage">http://bugguide.net/n=
ode/view/36832/bgpage</A></P>
<P> </P>
<P>DBMc</P></DIV>
<DIV class=3Dgmail_extra><BR clear=3Dall>
<DIV>
<DIV dir=3Dltr>David McCorquodale
<DIV>Georges River, NS</DIV></DIV></DIV><BR><BR>
<DIV class=3Dgmail_quote>On Wed, Oct 2, 2013 at 4:03 PM, Bernard Burke =
<SPAN=20
dir=3Dltr><<A href=3D"mailto:bernieb1@eastlink.ca"=20
target=3D_blank>bernieb1@eastlink.ca</A>></SPAN> wrote:<BR>
<BLOCKQUOTE=20
style=3D"BORDER-LEFT: #ccc 1px solid; MARGIN: 0px 0px 0px 0.8ex; =
PADDING-LEFT: 1ex"=20
class=3Dgmail_quote>
<DIV> Hi all</DIV>
<DIV>While at work today I was outside talking to a work associate =
when this=20
large flying insect came near and appeared to be trying to land on me. =
I=20
backed off rather abruptly and it landed on the sidewalk. I asked the=20
associate if he would take a picture with his camera phone. It was =
clearly=20
longer than a bald-faced hornet , and I think it appears to have had a =
forked=20
tail similar to an earwig. After this photo was taken, the creature =
folded its=20
wings one over the other in line with its body before it eventually =
departed.=20
The photo is not clear, and I enlarged it and attempted to sharpen=20
it, but I'm hoping that my description along with the color =
scheme=20
indicated in the photo will help someone help me identify it:</DIV>
<DIV> </DIV>
<DIV><A=20
=
href=3D"http://bernieb.smugmug.com/Nature/insectsspiders-etc/797514_PQxc2=
P#!i=3D2806020593&k=3DtMk2wVS&lb=3D1&s=3DL"=20
=
target=3D_blank>http://bernieb.smugmug.com/Nature/insectsspiders-etc/7975=
14_PQxc2P#!i=3D2806020593&k=3DtMk2wVS&lb=3D1&s=3DL</A></DIV>
<DIV> </DIV>
<DIV>Thanks in advance</DIV><SPAN class=3DHOEnZb><FONT =
color=3D#888888>
<DIV> </DIV>
<DIV>Bernard Burke</DIV>
<DIV>Dartmouth</DIV></FONT></SPAN></BLOCKQUOTE></DIV><BR></DIV><A></A>
<P align=3Dleft color=3D"#000000" avgcert??>No virus found in this=20
message.<BR>Checked by AVG - <A=20
href=3D"http://www.avg.com">www.avg.com</A><BR>Version: 2014.0.4142 / =
Virus=20
Database: 3604/6715 - Release Date: 10/01/13</P></BODY></HTML>
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