Forest Pests & Diseases of NB
What is an invasive species?
"Alien species are those that have become established outside their historical, natural range. Often these species are introduced by people, or they spread on their own. Most alien species cause little harm, or may be beneficial. When they cause harm to our environment, the economy, or to society, they are called invasive alien species, often shortened to invasive species."
- NRCan, Adapting to climate change: The story of invasive insects in Canada’s forests
For information about the pests and diseases that impact New Brunswick forests, check out the links below:
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New Brunswick Invasive Species Council
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Grow Me Instead Guide for New Brunswick and Nova Scotia - invasive species and alternatives
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Canadian Food Inspection Agency - Plant pest cards
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NB Natural Resources and Energy Development - Forest Health
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NS Woodlot Field Guide to Pests of the Acadian Forest (2017) , (PDF)
The Invasive Species Training Program has an online training portal offering various courses in relation to invasive species.
Each course consists of lessons for identifying, preventing and/or managing invasive species.
Some courses are free, some have a fee. Each course is available for one year (365 days) from the purchase date.
from Invasive Species Centre
Some of the pests that can be found in NB
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Ticks
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Ixodes scapularis
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Climate change is expanding the geographic range of ticks and the risk of Lyme disease is increasing in New Brunswick.
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Left to right: black-legged deer tick male, female; American dog tick male, female
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Emerald Ash Borer
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Agrilus planipennis
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2023 update by NBISC: :"This summer we continued our Emerald Ash Borer (EAB) monitoring as part of the Canadian Food Inspection Agency’s (CFIA) wider monitoring effort. With the help of several community partners, we were able to install 15 traps on Ash Trees throughout the province. The traps are baited to attract EAB, and their presence/absence gives us information on their spread throughout NB. Detections will also inform changes to CFIA’s EAB regulated areas. This year there were no detections at any of our sites."
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photo credits: inspection.canada.ca
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Hemlock Woolly Adegid
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Adelges tsugae
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photo credit: Chris Evans, Illinois Wildlife Action Plan
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Balsam Woolly Adelgid
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Adelges piceae
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photo credit: Jean-Paul Laplante
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Spruce Budworm
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Choristoneura fumiferana
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What is spruce budworm? (Healthy Forest Partnership)
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The eastern spruce budworm (top: adult moth; bottom: caterpillar).
photo from NRCan website
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Spongy Moth (aka LDD)
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Lymantria dispar dispar
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formerly known as European Gypsy Moth
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photo from Invasive Species Centre website
(https://www.invasivespeciescentre.ca/invasive-species/meet-the-species/invasive-insects/gypsy-moth/)