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Hi Fred & All,
Are weak or overcrowded Ash preferentially affected ? We may be
relatively safe in NS because Green Ash is very sparse.
Yt, DW, Kentville
------ Original Message ------
From: "Frederick W. Schueler" <bckcdb@istar.ca>
To: naturens@chebucto.ns.ca; NATURENB@LISTSERV.UNB.CA
Cc: "Donald McAlpine" <Donald.McAlpine@nbm-mnb.ca>; "Owen Clarkin"
<wrecsvp@gmail.com>
Sent: 5/18/2018 11:55:57 AM
Subject: Re: [NatureNS] EAB in New Brunswick
>On 18/05/2018 7:58 AM, Ian Manning wrote:
>>Bad news out of NB yesterday.
>>
>>https://www.canada.ca/en/food-inspection-agency/news/2018/05/emerald-ash-borer-confirmed-in-edmundston.html
>
>* well, it was bound to happen. I wonder if anyone knows more than this
>uninformative blurb from CFIA?
>
>Our experience with this pest in eastern Ontario is that it ravaged the
>Ash forests of urban Ottawa, which are now dead skeletons undergrown by
>dense forests of Cathartic Buckthorn, but that it hasn't spread as
>rapidly in the rural areas as one might have expected. I cut a couple
>of trees on our land two years ago, but others haven't succumbed as
>rapidly as anticipated.
>
>Apparently, there is both a biocontol wasp introduced from China, and
>at least one native egg parasitoid which has taken up with the invader,
>but as with so many biocontrol agents, it's hard to find news of how
>widespread or successful these have been found to be. If the
>infestation in Edmunston can't be quickly extinguished, naturalists
>should urge the authorities to promtly introduce both of these
>biocontrol Insects to the infested area.
>
>Trees infested with the Emerald Ash Borer can be recognized by the
>D-shaped emergence holes made by the adults, and by the flaking away of
>the surface of the bark by Woodpeckers. Green Ash (F. pensylvanica) are
>more vulnerable than White Ash (F. americana).
>http://www.inspection.gc.ca/plants/plant-pests-invasive-species/insects/emerald-ash-borer/fact-sheet/eng/1337368130250/1337368224454
>
>Affected trees will be something else to look out for as we come to
>BiotaNB next month....
>
>fred.
>------------------------------------------------------------
> Frederick W. Schueler & Aleta Karstad
> Fragile Inheritance Natural History
>Mudpuppy Night in Oxford Mills - http://pinicola.ca/mudpup1.htm
>'Daily' Paintings - http://karstaddailypaintings.blogspot.com/
>4 St-Lawrence Street Bishops Mills, RR#2 Oxford Station, Ontario K0G
>1T0
> on the Smiths Falls Limestone Plain 44.87156° N 75.70095° W
>(613)258-3107 <bckcdb at istar.ca> http://pinicola.ca/
>------------------------------------------------------------
>"Feasting on Conolophus to the conclusion of consanguinity"
>-
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