Invasives in the News

An international team of researchers has designed decoys that mimic female emerald ash borer beetles and successfully entice male emerald ash borers to land on them in an attempt to mate, only to be electrocuted and killed by high-voltage current.

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"A new paper suggests we need to rethink our models about endangered plant species.

Japanese knotweed. Purple loosestrife. Kudzu. Mesquite. Giant hogweed. Bitou bush. What do all of these plants have in common? Easy: they’re all among the most invasive plant species on the planet. Wherever they turn up, native species often get squeezed out and pushed toward extinction.

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For those who have never visited Seymour Lake in Morgan, Vermont – you’re missing out. This glacial lake in the Northeast Kingdom offers some of the most spectacular views, crystal clear waters, and excellent fishing opportunities in Vermont. It is also free of aquatic invasive species (AIS) such as Eurasian watermilfoil and zebra mussels that have plagued other waterbodies.

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The problems caused by invasive species are not going away overnight. Vermont is facing a long-term stewardship issue that requires ingenious, thoughtful, and continued focus as we figure out how best to care for our land and water.

Much of Vermont is still relatively invasive free compared to our southern New England neighbors. The opportunity to maintain the existing structure and...

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Hemlock trees in southern Vermont have been threatened with hemlock woolly adelgid for several years.  They have also been stressed by drought for two seasons.  Recently another stressor has been added to the mix.  Elongate hemlock scale (EHS) has been found in stands of hemlock in Windham County, occasionally in conjunction with hemlock woolly adelgid.  

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Mike Bald tries not to use war terminology to describe his work of invasive plant removal. It's a resolution made difficult by the sheer magnitude of the task he faces. Royalton-based Bald spends his days crisscrossing the state digging, chopping and pulling myriad nonnative species: Japanese knotweed, chervil, giant hogweed, Japanese barberry and, for now, lots of wild parsnip.

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The Forest Health Update for July 2016 discusses Vermont's dry weather, sugar maple insects, early detection invasive plants, poison parsnip webworm, oak twig pruner, dutch elm disease, and Emerald Ash Borer Biosurveillance.

 

Check out the full articles at (opens a pdf):

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WINOOSKI — Elizabeth Spinney and her crew walked through Gilbrook Natural Area armed with their weapons of choice, protected by thick gardening gloves and work boots. They were on the hunt for invasive plants, and their recent battle was just the latest in a war that seems never ending.

The invasive species problem continues to get worse as more plants find the Northeast to be a...

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Just 15 years ago, the eastern hemlock tree, the mighty Redwood of the East, was a scenic highlight of Virginia’s Skyline Drive, creating the shady groves that put Shenandoah National Park on the conservation map.

Now 95% of them are dead, rotting on the forest floor or still standing above the canopy as gray ghosts, with a few scattered survivors living on borrowed time as their attackers literally suck the life out of them.

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Last year’s dry spring, coupled with a stretch of dry weather this year, has helped to fuel the resurgence of the spongy moth caterpillar, a furry nuisance blamed for defoliating an estimated 9 million acres from Maine to Maryland in 1981

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In the mid-2000s, a brown, slimy organism began showing up in some of Vermont’s high-quality trout streams. First in the Batten Kill River in 2006, and later in the White River and Mad River, among others. It appeared that Didymosphenia geminata (Didymo, or “rock snot”) had gained a foothold in the state, and was slowly spreading across Vermont. There were fears that the...

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The Regional Invasive Insect Preparedness Team (RIIPT) presents four new hilarious and educational emerald ash borer public service announcements. The videos were produced by Demars Media and their work was funded in part by a Caring for Canopy Grant from the Vermont Urban & Community Forestry Program. Check out the videos...

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"Permaculture is on the rise. Like small-scale, local farming in general, permaculture is fueled by increasing reports of damage caused by industrial-scale agriculture – pollution of land and water, neurotoxic pesticides, inhumane treatment of domestic animals, and sweeping destruction of habitat.

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This spring we’ve had reports that populations of the native forest tent caterpillar (FTC)

are building in Windham, Windsor, Franklin, Lamoille, Orleans, and Rutland Counties. The

window of concern is May and June when the FTC larvae are actively feeding. Although caterpillar

development seems ahead of normal this year, there should be several more weeks

before they...

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