Category Archives: Invasive Species

Hemlock Woolly Adelgid: have you scouted for this pest yet?

Cassie Russell, Nursery and Landscape Specialist, OMAFA Hemlock woolly adelgid, Adelges tsugae, is a regulated invasive insect that poses a serious threat to eastern hemlock (Tsuga canadensis) in Ontario. This pest is now established in parts of southern Ontario and … Continue reading →

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In case you missed it: recording available for Hemlock Woolly Adelgid webinar

Missed out on the recent webinar ‘Best Practices for Managing Hemlock Woolly Adelgid ‘ in Nurseries? You’re in luck! A recording is now available. Continue reading to access a link to the recording.

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Training available for terrestrial invasive plants

The Invasive Species Center recently announced a new course: Terrestrial Invasive Plant Training. (And great news, it’s currently FREE!) Visit the Invasive Species Center website for details on this new training course, as well as other courses they have available: … Continue reading →

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Integrated Pest Management Webinars for Nursery Growers

This January, OMAFA is presenting a series of webinars focused on integrated pest management (IPM) topics for nursery growers. See below for the list of webinars and links to register through zoom. Registration is free, but you must register for … Continue reading →

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Upcoming Webinar: Best practices for Hemlock Woolly Adelgid in the Nursery

In light of the expansion of the regulated area for Hemlock Woolly Adelgid this fall in Ontario (click here for announcement), CNLA and OMAFA are hosting a webinar on December 10th for nursery growers to understand the biology of this … Continue reading →

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Windsor Area: Free Spotted Lanternfly Workshops

Are you in the Windsor area? If so, this is for you! With numerous recent sightings of Spotted Lanternfly (SLF), especially in the Southwestern area of Ontario, the Invasive Species Centre is hosting free workshops in Windsor on November 17th, … Continue reading →

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Box Tree Moth management: your final window to target larvae before they overwinter

Many regions have seen a small uptick in box tree moth adult catches over the last two weeks, while other trap catches have remained steady since the start of the second adult flight period in mid-August. These constant catches indicate … Continue reading →

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Be on the lookout: Spotted Lanternfly are on the move

While the Spotted Lanternfly (SLF) is still NOT established in Canada yet, there have been numerous interceptions and unverified sightings over last couple years, with many being in the months of August and September. At this time of year in … Continue reading →

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Expanded Regulated Area for Hemlock Woolly Adelgid

The Canadian Food Inspection Agency (CFIA) has expanded the regulated area for Hemlock Woolly Adelgid in Ontario. The new regulated area now includes the Regional Municipality of Niagara, Haldimand County, the City of Hamilton and the Township of Alnwick/Haldimand. This expansion … Continue reading →

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Tree of Heaven: Recognizing and reporting this invasive tree

August is tree check month, and there’s no better time to spotlight one of Ontario’s most notorious invaders — the tree of heaven. Once an introduced ornamental, this fast-growing species now thrives in the most unexpected places: sprouting from sidewalks … Continue reading →

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