[NatureNS] Lilac Leafminer

To: naturens@chebucto.ns.ca
From: c.majka@ns.sympatico.ca
Date: Sun, 1 Jul 2007 23:07:03 -0300
Precedence: bulk
Return-Path: <naturens-mml-owner@chebucto.ns.ca>
Original-Recipient: rfc822;"| (cd /csuite/info/Environment/FNSN/MList; /csuite/lib/arch2html)"

next message in archive
next message in thread
previous message in archive
Index of Subjects



--Apple-Mail-75-1023876758
Content-Transfer-Encoding: 7bit
Content-Type: text/plain;
	charset=US-ASCII;
	delsp=yes;
	format=flowed

Hi folks,

I've spent a fair bit of this weekend battling an infestation of  
Lilac Leafminer (Gracillaria syringella), the caterpillar of a small  
moth in Gracillaridae, which is attacking the lilacs in my backyard.  
As the name suggest, the young larvae initially mine leaves leaving  
discoloured green blotches on the leaves which eventually turn brown.  
As the larvae mature the exit the leaves and collectively roll up the  
leaves to create a tube in which they live and on which they feed. In  
lilacs here in Halifax they can cause a significant amount of  
defoliation by the end of the season.

This is an European species which was inadvertently introduced to  
North America, first appearing in Ontario in 1923. I'd be very  
interested in ascertaining how widely distributed this species is in  
Nova Scotia. The damage the cause is quite characteristic. If you've  
noticed this damage on lilacs, I'd  appreciate hearing where and  
when. There is a good photograph of the moth located at:

http://www.danske-natur.dk/images6/mor1030a.jpg

Ana a photo of leaf damage done by the caterpillars at:

http://www.gov.pe.ca/photos/original/af_lilac_LM.jpg

Many thanks!

Chris
_._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._. 
_.
Christopher Majka - Nova Scotia Museum of Natural History
1747 Summer Street, Halifax, Nova Scotia, Canada  B3H 3A6
(902) 424-6435   Email <c.majka@ns.sympatico.ca>
_._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._. 
_.


--Apple-Mail-75-1023876758
Content-Transfer-Encoding: quoted-printable
Content-Type: text/html;
	charset=ISO-8859-1

<HTML><BODY style=3D"word-wrap: break-word; -khtml-nbsp-mode: space; =
-khtml-line-break: after-white-space; ">Hi folks,<DIV><BR =
class=3D"khtml-block-placeholder"></DIV><DIV><SPAN =
class=3D"Apple-style-span">I've spent a fair bit of this weekend =
battling an infestation of=A0Lilac Leafminer (<I>Gracillaria =
syringella</I>), the caterpillar of a small moth in Gracillaridae, which =
is attacking the lilacs in my backyard. As the name suggest, the young =
larvae initially mine leaves leaving discoloured green blotches on the =
leaves which eventually turn brown. As the larvae mature the exit the =
leaves and collectively roll up the leaves to create a tube in which =
they live and on which they feed. In lilacs here in Halifax they =
can=A0cause a significant amount of defoliation by the end of the =
season.</SPAN></DIV><DIV><BR =
class=3D"khtml-block-placeholder"></DIV><DIV><SPAN =
class=3D"Apple-style-span">This is an European species which was =
inadvertently=A0introduced to North America, first appearing in Ontario =
in 1923. I'd be very interested in ascertaining how widely distributed =
this species is in Nova Scotia. The damage the cause is quite =
characteristic. If you've noticed this damage on lilacs, I'd=A0 =
appreciate hearing where and when. There is a good photograph of the =
moth located at:</SPAN></DIV><DIV><BR =
class=3D"khtml-block-placeholder"></DIV><DIV><A =
href=3D"http://www.danske-natur.dk/images6/mor1030a.jpg">http://www.danske=
-natur.dk/images6/mor1030a.jpg</A></DIV><DIV><BR =
class=3D"khtml-block-placeholder"></DIV><DIV>Ana a photo of leaf=A0damage =
done by the caterpillars at:</DIV><DIV><BR =
class=3D"khtml-block-placeholder"></DIV><DIV><A =
href=3D"http://www.gov.pe.ca/photos/original/af_lilac_LM.jpg">http://www.g=
ov.pe.ca/photos/original/af_lilac_LM.jpg</A></DIV><DIV><BR =
class=3D"khtml-block-placeholder"></DIV><DIV><SPAN =
class=3D"Apple-style-span">Many thanks!</SPAN></DIV><DIV><BR =
class=3D"khtml-block-placeholder"></DIV><DIV><SPAN =
class=3D"Apple-style-span">Chris<BR><DIV> <P style=3D"margin: 0.0px =
0.0px 0.0px 0.0px"><FONT face=3D"Times" size=3D"3" style=3D"font: 12.0px =
Times">_._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._=
._._._.</FONT></P> <P style=3D"margin: 0.0px 0.0px 0.0px 0.0px"><FONT =
face=3D"Times" size=3D"3" style=3D"font: 12.0px Times">Christopher Majka =
- Nova Scotia Museum of Natural History</FONT></P> <P style=3D"margin: =
0.0px 0.0px 0.0px 0.0px"><FONT face=3D"Times" size=3D"3" style=3D"font: =
12.0px Times">1747 Summer Street, Halifax, Nova Scotia, Canada<SPAN =
class=3D"Apple-converted-space">=A0 </SPAN>B3H 3A6</FONT></P> <P =
style=3D"margin: 0.0px 0.0px 0.0px 0.0px"><FONT face=3D"Times" size=3D"3" =
style=3D"font: 12.0px Times">(902) 424-6435 <SPAN =
class=3D"Apple-converted-space">=A0 </SPAN>Email &lt;<A =
href=3D"mailto:c.majka@ns.sympatico.ca">c.majka@ns.sympatico.ca</A>&gt;</F=
ONT></P> <P style=3D"margin: 0.0px 0.0px 0.0px 0.0px"><FONT face=3D"Times"=
 size=3D"3" style=3D"font: 12.0px =
Times">_._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._=
._._._.</FONT></P>  </DIV><BR></SPAN></DIV></BODY></HTML>=

--Apple-Mail-75-1023876758--

next message in archive
next message in thread
previous message in archive
Index of Subjects