Invasives in the News

March 30, 2015

The lime-green flowers of the slender orchid known as the Small Whorled Pogonia used to bloom on forested slopes throughout New England, but they — and more than one-third of the region’s native orchids — are disappearing.

In all, 22 percent of all native plant species in New England are now either extinct, rare, or in a state of decline, strangled by invasive vines, trampled by...

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March 23, 2015

The emerald ash borer is poised for an assault on Nebraska’s ash trees, but the best thing that homeowners can do is wait.

That’s the advice from landscape experts, who say treatment methods that ward off the destructive pest also are hard on trees.

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March 13, 2015

In the early 1920s, the city planted thousands of red pines in Leeds in an effort to protect the nearby watershed.

Almost a century later, the trees populating the city's water supply land off Kennedy and Chesterfield roads are dying off rapidly, in part due to an invasive insect called the red pine scale. The pest first spread in southern New England, New York, New Jersey and eastern...

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March 10, 2015

We are finally coming out of the deep freeze that we were in for pretty much all of February. Forty-three days below freezing in some parts of the state, 5-degree averages in Montpelier and Rutland. There will be some casualties of the cold weather – but that's not necessarily a bad thing.

In fact, this winter’s harsh weather is good news – at least temporarily – for those combating a...

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February 20, 2015

The U.S. Department of Agriculture is seeking approval for the intentional release of an Asian species of parasitic wasp in order to combat the spread of an invasive beetle wreaking havoc on North American ash trees.

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February 18, 2015

Baton Rouge, La. - The emerald ash borer, a severe insect pest of ash trees, has been confirmed in Webster Parish making Louisiana the 25th state to confirm the presence of this beetle.

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February 4, 2015

Athens, Ga. - For the first time, University of Georgia researchers have successfully cryogenically frozen germplasm from hemlock trees being wiped out across the eastern U.S. by an invasive insect. They've also unlocked a new way to clone the few hemlock trees apparently fighting off the hemlock woolly adelgid, which could potentially lead to a solution for the pest.

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January 31, 2015

A beetle that has killed thousands of acres of pines across the nation has infested much more of Long Island than previously thought, and state officials want to cut down trees in an effort to stop the spread of the pest before winter ends.

The southern pine beetle, first confirmed on Long Island in the fall, now has been found in an array of federal, state, county, town and...

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January 30, 2015

The government has a plan to combat the spread of a tree-killing insect in the Finger Lakes National Forest.

U.S. Sen. Charles Schumer said the U.S. Department of Agriculture wants to target the Hemlock Wooly Adelgid with biological and chemical control techniques.

In November, Schumer, D-N.Y., urged the U.S. Forest Service to make anti-adelgid efforts a funding priority.

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January 29, 2015

Vermont is again offering grants to communities in their quest to slow the spread of overly aggressive aquatic plants.

The Department of Environmental Conservation encourages municipalities to complete online applications by Feb. 11 for funds, training and technical assistance.

Invasive aquatic species are increasingly a nuisance to swimmers, boaters, anglers — and a threat to...

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January 26, 2015

City officials have been sawing down ash trees in Montreal since 2011 when an emerald ash borer infestation first took aim at at the trees, but one borough has been doing its best to recycle the wood.

The Cote des Neiges-NDG borough alone has axed 400 ash trees and has also put considerable effort into maintaining a useful legacy for the fallen arbor.

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January 20, 2015

WORCESTER — City Councilors Tuesday tried to find another way to deal with an infestation of Asian longhorned beetles in and around Green Hill Park.

The Massachusetts Asian Longhorned Beetle Cooperative Eradication Program, led by the U.S. Department of Agriculture and the state Department of Conservation and Recreation, is removing about 200 infested trees discovered in the northern...

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January 20, 2015

The Emerald ash borer (EAB), is native to a very large geographic area of East Asia that includes northeast China, Korea, Japan, Taiwan, Mongolia and the Russian Far East. In its home range EAB is a minor, not particularly common secondary pest that attacks stressed trees of the local species of ash, predominately Chinese and Manchurian ash. Before 2002, EAB had never been found outside of its...

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January 15, 2015

The emerald ash borer (Agrilus planipennis), also known as EAB, is an invasive insect pest from Asia that has killed millions of trees in the United States and Canada and has caused billions of dollars of damage since it was discovered in 2002. Fortunately, its damage has been limited to ash trees—or so we thought.

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