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Hello all - the pictured Giant Ichneumon appears to be that of Megarhyssa
atrata . I too found one Sunday July 10 in Harmony Lake ,Queens Co. I
also found another Giant Ichneumon a Mt Uniacke on wed July 6 . This species
was either M. nortoni or macrusus. Beautiful orange and browns . Slightly
smaller than atrata. Ovipositor was probably 4 inch compared to the almost 6
in of atrata.
Beautiful
Here is an article that addresses the genus and the possibility of
stinging-they can drill wood, but apparently probably don't normally sting
people- http://skagit.wsu.edu/MG/bugs/Ichneumon%20Wasps.pdf
DB
From: naturens-owner@chebucto.ns.ca [mailto:naturens-owner@chebucto.ns.ca]
On Behalf Of Ulli
Sent: July-11-11 6:12 PM
To: naturens@chebucto.ns.ca
Subject: Re: [NatureNS] Ichneumon Wasp
Well,
I know that some of the parasitic wasps can sting and that it hurts pretty
bad. Not sure if those still have functioning ovipositors or if they just
lay an egg on their vicims body surface and leave it to the larva to dig in.
Not sure about Ichneumonids, but I will try to remember to look into that.
Ulli
On 11-Jul-11, at 1:07 PM, Peter Payzant wrote:
Hi, all-
We found a dead ichneumon wasp on the road today and brought it indoors to
photograph. It's about 13 cm long overall - pretty spectacular. You can see
the photo here. <http://www.pbase.com/ppayzant/ichneumon>
Here's a question - I've always understood that the stingers on stinging
insects is a "modified ovipositor", that is, an organ which is no longer
used to deposit eggs, but has evolved to become a weapon. Can insects such
as this one, with a functional ovipositor, still use it for defense in any
way? Can these wasps sting?
Peter Payzant
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space;-webkit-line-break: after-white-space'><div =
class=3DWordSection1><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Hello all - the pictured Giant Ichneumon appears to be =
that of <b><i>Megarhyssa atrata</i></b> . I too =
found one Sunday July 10 in Harmony Lake ,Queens Co. I =
also found another Giant Ichneumon a Mt Uniacke on wed July 6 . This =
species was either M. nortoni or macrusus. Beautiful orange and =
browns . Slightly smaller than atrata. Ovipositor was probably 4 inch =
compared to the almost 6 in of atrata.<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p> </o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Beautiful <o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p> </o:p></span></p><p class=3DMsoNormal>Here is an article =
that addresses the genus and the possibility of stinging-they can drill =
wood, but apparently probably don't normally sting people- <a =
href=3D"http://skagit.wsu.edu/MG/bugs/Ichneumon%20Wasps.pdf">http://skagi=
t.wsu.edu/MG/bugs/Ichneumon%20Wasps.pdf</a><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p> </o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>DB<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p> </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>Ulli<br><b>Sent:</b> July-11-11 6:12 =
PM<br><b>To:</b> naturens@chebucto.ns.ca<br><b>Subject:</b> Re: =
[NatureNS] Ichneumon Wasp<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><o:p> </o:p></p><p =
class=3DMsoNormal>Well,<o:p></o:p></p><div><p class=3DMsoNormal>I know =
that some of the parasitic wasps can sting and that it hurts pretty bad. =
Not sure if those still have functioning ovipositors or if they just lay =
an egg on their vicims body surface and leave it to the larva to dig =
in.<o:p></o:p></p></div><div><p class=3DMsoNormal>Not sure about =
Ichneumonids, but I will try to remember to look into =
that.<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p> </o:p></p></div><div><p =
class=3DMsoNormal>Ulli<o:p></o:p></p><div><div><p class=3DMsoNormal>On =
11-Jul-11, at 1:07 PM, Peter Payzant wrote:<o:p></o:p></p></div><p =
class=3DMsoNormal><br><br><o:p></o:p></p><div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif"'>Hi, =
all-<br><br>We found a dead ichneumon wasp on the road today and brought =
it indoors to photograph. It's about 13 cm long overall - pretty =
spectacular. You can see the photo <a =
href=3D"http://www.pbase.com/ppayzant/ichneumon">here.</a><br><br>Here's =
a question - I've always understood that the stingers on stinging =
insects is a "modified ovipositor", that is, an organ which is =
no longer used to deposit eggs, but has evolved to become a weapon. Can =
insects such as this one, with a functional ovipositor, still use it for =
defense in any way? Can these wasps sting?<br><br>Peter =
Payzant<br><br><br><o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><o:p> </o:p></p></div></div></body></html>
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