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gid-pest-nova-scotia-1.4392723">http://www
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Hello:
I may be confusing this with some other Hemlock pest but I have a=20
vague recollection of hearing, some 10-14 years ago, of a survey being=20
undertaken in the Tobeatic reserve (?) to monitor the fortunes of this=20
pest. Dave Mccorquodale (sp?) could likely clarify. Sorry Dave but=20
hackers creamed many of my emails and address book names so I have to=20
guess.
yt, DW, Kentville
------ Original Message ------
From: "Jim Wolford" <jimwolford@eastlink.ca>
To: "naturens" <naturens@chebucto.ns.ca>; "Donna Crossland"=20
<dcrossland@eastlink.ca>
Cc: "David & Alison Webster" <dwebster@glinx.com>; "Janet Eaton"=20
<jmeaton@ns.sympatico.ca>
Sent: 11/9/2017 6:55:27 PM
Subject: [NatureNS] Fwd: Hemlock tree-destroying pest arrives in Nova=20
Scotia
>THANKS, JANET, from Jim et al.
>
>Begin forwarded message:
>
>>From: Janet M Eaton <jmeaton@ns.sympatico.ca>
>>Subject: Hemlock tree-destroying pest arrives in Nova Scotia
>>Date: November 9, 2017 at 8:22:48 AM AST
>>To: ENVLOC@eastlink.ca
>>
>>http://www.cbc.ca/news/canada/nova-scotia/hemlock-tree-woolly-adelgid-pes=
t-nova-scotia-1.4392723
>>
>>Hemlock tree-destroying pest arrives in Nova Scotia
>>
>>Hemlock woolly adelgid has been found in 5 Nova Scotia counties
>>By Cassie Williams, CBC News Posted: Nov 08, 2017 12:35 PM AT Last=20
>>Updated: Nov 08, 2017 12:59 PM AT
>>
>>The hemlock woolly adelgid appears as white, woolly sacks on the base=20
>>of needles of the hemlock tree. (CFIA)
>>
>>A hemlock tree-destroying pest has turned up in Nova Scotia and don't=20
>>count on frosty temperatures to kill the tiny beasts.
>>
>>The hemlock woolly adelgid attacks eastern hemlock trees by feeding on=20
>>the nutrient and water storage cells at the base of the trees'=20
>>needles, killing them.
>>
>>Ron Neville, a plant health survey biologist with the Canadian Food=20
>>Inspection Agency, is investigating how far the pests have spread=20
>>throughout the province since they were first detected here in=20
>>mid-July.
>>
>>So far, the hemlock woolly adelgid =E2=80=94 or HWA =E2=80=94 has been fo=
und in five=20
>>counties: Digby, Yarmouth and Shelburne and a few sites in Annapolis=20
>>and Queens.
>>
>>"In Digby and Yarmouth County, it's fairly widespread and less so in=20
>>Annapolis and Queens," Neville told CBC's Information Morning.
>>
>>'It looks like a small cotton ball'
>>
>>The eastern hemlock grows from Ontario east to the Maritimes, often on=20
>>the shores of lakes and rivers.
>>
>>"Loss of hemlock trees can have a potential, major ecological impact.=20
>>Hemlock in many forests serves as a foundation tree in the environment=20
>>so what that means is that other species that live in those areas=20
>>depend on hemlock for their existence," said Neville.
>>
>>The tiny insect, less than 1.5 millimetres long, produces a wool-like=20
>>wax to protect its eggs, which are usually deposited on the underside=20
>>of hemlock needles at the tips of the branches.
>>
>>hemlock woolly adelgid
>>The hemlock woolly adelgid can spread on the wind or by birds or=20
>>animals. They often hitch rides on nursery stock and wood products=20
>>like firewood. (CFIA)
>>
>>"It's very tiny, it looks like a small cotton ball. And those develop=20
>>over the winter and they're most obvious, basically, from January=20
>>through to June," said Neville.
>>
>>The pests are native to Asia and Neville said it's believed they first=20
>>arrived in North America in the 1950s in the state of Virginia,=20
>>spreading across the northeastern U.S.
>>
>>Able to adapt to cold climates
>>
>>The CFIA already has rules demanding that hemlock seedlings or wood=20
>>products being imported to Canada must have a certificate showing they=20
>>are free of the pest. The insects often hitch a ride on nursery stock=20
>>and wood products like firewood.
>>
>>They can also be transported by birds, animals and even on the wind.
>>
>>Hemlock trees under threat by invasive pest, the woolly adelgid
>>The hemlock pest also very adaptable, able to survive cold winters as=20
>>well as warm ones, according to Natural Resources Canada.
>>
>>In terms of what to do about the pests, Neville said the CFIA is=20
>>looking at what our neighbours to the south have done.
>>
>>One option is to just remove affected trees but that could have a=20
>>devastating effect on forests.
>>
>>Hemlock
>>As its name implies, the aphid-like hemlock woolly adelgid attacks=20
>>eastern hemlock trees. (CFIA)
>>
>>In parts of the U.S., forestry officials have attempted to control the=20
>>spread using biological controls including importing lady beetles from=20
>>Asia to eat HWAs. However, Neville cautions that introducing a new=20
>>species into an ecosystem can bring about a whole new set of problems.
>>
>>"We have to consider the implications of bringing in a predator pest,"=20
>>he said.
>>
>>If you think you have an HWA infestation, check with the Canadian Food=20
>>Inspection Agency or call 1-800-442-2342.
>>
>>With files from Information Morning
>
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<?xml version=3D"1.0" encoding=3D"utf-16"?><html><head><style id=3D"css_sty=
les" type=3D"text/css"><!--blockquote.cite { margin-left: 5px; margin-right=
: 0px; padding-left: 10px; padding-right:0px; border-left: 1px solid #ccccc=
c }
blockquote.cite2 {margin-left: 5px; margin-right: 0px; padding-left: 10px;=
padding-right:0px; border-left: 1px solid #cccccc; margin-top: 3px; padding=
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a img { border: 0px; }
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body { font-family: Segoe UI; font-size: 12pt; }--></style></head><body><=
div>Hello:</div><div>=C2=A0 =C2=A0 I may be confusing this with some other=
Hemlock pest but I have a vague recollection of hearing, some 10-14 years a=
go, of a survey being undertaken in the Tobeatic reserve (?) to monitor the =
fortunes of this pest. Dave Mccorquodale (sp?) could likely clarify. Sorry =
Dave but hackers creamed many of my emails and address book names so I hav=
e to guess.</div><div>yt, DW, Kentville</div>
<div><br /></div>
<div>------ Original Message ------</div>
<div>From: "Jim Wolford" <<a href=3D"mailto:jimwolford@eastlink.ca">jimw=
olford@eastlink.ca</a>></div>
<div>To: "naturens" <<a href=3D"mailto:naturens@chebucto.ns.ca">naturens=
@chebucto.ns.ca</a>>; "Donna Crossland" <<a href=3D"mailto:dcrossland=
@eastlink.ca">dcrossland@eastlink.ca</a>></div>
<div>Cc: "David & Alison Webster" <<a href=3D"mailto:dwebster@glinx.=
com">dwebster@glinx.com</a>>; "Janet Eaton" <<a href=3D"mailto:jmeato=
n@ns.sympatico.ca">jmeaton@ns.sympatico.ca</a>></div>
<div>Sent: 11/9/2017 6:55:27 PM</div>
<div>Subject: [NatureNS] Fwd: Hemlock tree-destroying pest arrives in Nova=
Scotia</div><div><br /></div>
<div id=3D"xd3f7db5669de4ab" style=3D"word-wrap: break-word; -webkit-nbsp-m=
ode: space; -webkit-line-break: after-white-space;"><blockquote cite=3D"1A4=
6DA0F-0B43-4113-B2FC-976A10790F5A@eastlink.ca" type=3D"cite" class=3D"cite2=
">
THANKS, JANET, from Jim et al.<br /><div><br /><div>Begin forwarded message=
:</div><br class=3D"Apple-interchange-newline" /><blockquote type=3D"cite"=
class=3D"cite"><div style=3D"margin-top: 0px; margin-right: 0px; margin-bot=
tom: 0px; margin-left: 0px;"><span style=3D"font-family: Helvetica;"><b>Fro=
m: </b></span><span style=3D"font-family:'Helvetica';">Janet M Eaton <<a =
href=3D"mailto:jmeaton@ns.sympatico.ca">jmeaton@ns.sympatico.ca</a>><br =
/></span></div><div style=3D"margin-top: 0px; margin-right: 0px; margin-bo=
ttom: 0px; margin-left: 0px;"><span style=3D"font-family: Helvetica;"><b>Su=
bject: </b></span><span style=3D"font-family:'Helvetica';"><b>Hemlock tree-=
destroying pest arrives in Nova Scotia</b><br /></span></div><div style=3D"=
margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;">=
<span style=3D"font-family: Helvetica;"><b>Date: </b></span><span style=3D"=
font-family:'Helvetica';">November 9, 2017 at 8:22:48 AM AST<br /></span></=
div><div style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; m=
argin-left: 0px;"><span style=3D"font-family: Helvetica;"><b>To: </b></span=
><span style=3D"font-family:'Helvetica';"><a href=3D"mailto:ENVLOC@eastlink=
.ca">ENVLOC@eastlink.ca</a><br /></span></div><br /><div>
<title></title>
<div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt"><a href=3D"http://www.cbc.ca/news/canada/nova-scotia/hemlock-tree-=
woolly-adelgid-pest-nova-scotia-1.4392723">http://www.cbc.ca/news/canada/no=
va-scotia/hemlock-tree-woolly-adelgid-pest-nova-scotia-1.4392723</a></span>=
</font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt"><br />
</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt">Hemlock tree-destroying pest arrives in Nova Scotia</span></font><=
/div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt"><br />
</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt">Hemlock woolly adelgid has been found in 5 Nova Scotia counties</s=
pan></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt">By Cassie Williams, CBC News Posted: Nov 08, 2017 12:35 PM AT Last =
Updated: Nov 08,
2017 12:59 PM AT</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt"><br />
</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt">The hemlock woolly adelgid appears as white, woolly sacks on the b=
ase of needles of the
hemlock tree. (CFIA)</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt"><br />
</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt">A hemlock tree-destroying pest has turned up in Nova Scotia and do=
n't count on frosty
temperatures to kill the tiny beasts. </span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt"><br />
</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt">The hemlock woolly adelgid attacks eastern hemlock trees by feedin=
g on the nutrient and
water storage cells at the base of the trees' needles, killing them. </span=
></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt"><br />
</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt">Ron Neville, a plant health survey biologist with the Canadian Foo=
d Inspection Agency, is
investigating how far the pests have spread throughout the province since t=
hey were first
detected here in mid-July.</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt"><br />
</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt">So far, the hemlock woolly adelgid =E2=80=94 or HWA =E2=80=94 has=
been found in five counties: Digby,
Yarmouth and Shelburne and a few sites in Annapolis and Queens.</span></fon=
t></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt"><br />
</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt">"In Digby and Yarmouth County, it's fairly widespread and less so=
in Annapolis and Queens,"
Neville told CBC's Information Morning. </span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt"><br />
</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt">'It looks like a small cotton ball'</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt"><br />
</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt">The eastern hemlock grows from Ontario east to the Maritimes, ofte=
n on the shores of lakes
and rivers.</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt"><br />
</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt">"Loss of hemlock trees can have a potential, major ecological impa=
ct. Hemlock in many
forests serves as a foundation tree in the environment so what that means i=
s that other
species that live in those areas depend on hemlock for their existence," sa=
id Neville. </span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt"><br />
</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt">The tiny insect, less than 1.5 millimetres long, produces a wool-l=
ike wax to protect its eggs,
which are usually deposited on the underside of hemlock needles at the tips =
of the branches.</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt"><br />
</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt">hemlock woolly adelgid</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt">The hemlock woolly adelgid can spread on the wind or by birds or a=
nimals. They often hitch
rides on nursery stock and wood products like firewood. (CFIA)</span></font=
></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt"><br />
</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt">"It's very tiny, it looks like a small cotton ball. And those deve=
lop over the winter and they're
most obvious, basically, from January through to June," said Neville. </spa=
n></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt"><br />
</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt">The pests are native to Asia and Neville said it's believed they f=
irst arrived in North America
in the 1950s in the state of Virginia, spreading across the northeastern U.=
S.</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt"><br />
</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt">Able to adapt to cold climates</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt"><br />
</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt">The CFIA already has rules demanding that hemlock seedlings or woo=
d products being
imported to Canada must have a certificate showing they are free of the pes=
t. The insects
often hitch a ride on nursery stock and wood products like firewood.</span>=
</font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt"><br />
</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt">They can also be transported by birds, animals and even on the win=
d. </span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt"><br />
</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt">Hemlock trees under threat by invasive pest, the woolly adelgid</s=
pan></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt">The hemlock pest also very adaptable, able to survive cold winters =
as well as warm ones,
according to Natural Resources Canada. </span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt"><br />
</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt">In terms of what to do about the pests, Neville said the CFIA is l=
ooking at what our
neighbours to the south have done. </span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt"><br />
</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt">One option is to just remove affected trees but that could have a=
devastating effect on
forests. </span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt"><br />
</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt">Hemlock</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt">As its name implies, the aphid-like hemlock woolly adelgid attacks =
eastern hemlock trees.
(CFIA)</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt"><br />
</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt">In parts of the U.S., forestry officials have attempted to control =
the spread using biological
controls including importing lady beetles from Asia to eat HWAs. However, N=
eville cautions
that introducing a new species into an ecosystem can bring about a whole ne=
w set of
problems.</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt"><br />
</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt">"We have to consider the implications of bringing in a predator pe=
st," he said.</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt"><br />
</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt">If you think you have an HWA infestation, check with the Canadian=
Food Inspection Agency
or call 1-800-442-2342.</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt"><br />
</span></font></div>
<div align=3D"left"><font face=3D"Arial" size=3D"2"><span style=3D" font-si=
ze:10pt">With files from Information Morning</span></font></div>
</div>
</div></blockquote></div><br /></blockquote></div>
</body></html>
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