Invasives in the News

June 16, 2015

People all over town are asking, what is happening to our trees?

Oak, maple and fruit tree leaves are disappearing. Nowhere is this more noticeable than along the access road from the Jamestown Bridge.

According to Jim Rugh, chairman of the town tree committee, the culprit is a small green worm, the larvae of the winter moth.

“They are those dirty gray moths you see...

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June 16, 2015

By Joshua E. Brown

A tiny fly from the Pacific Northwest may provide new hope for towering hemlock forests dying along the East Coast.

Deep-green hemlock forests stretch from Georgia to southern Canada. Or at least they used to. Over the last few decades, the hemlock woolly adelgid, an invasive insect, has killed millions of these trees as it spreads north and south...

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June 11, 2015

PORTSMOUTH — It's invasive, insidious and, come to find out, delicious. Fallopia japonica, better known as Japanese knotweed, is a fast-growing, hard-to-kill perennial, that reaches the height of corn stalks, resembles bamboo and has been known to grow through asphalt and floorboards. It can be found in the Great Bay Natural Wildlife Refuge, lining Seacoast riverbanks and...

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June 6, 2015

DURHAM, New Hampshire — A destructive beetle that targets ash trees — known as the emerald ash borer — may have met its match.

Entomologists believe a wasp may be more effective monitoring the spread of the beetle than standard traps.

Morgan Dube, a graduate student in biological sciences and entomologist with the New Hampshire Department of Agriculture, Markets...

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May 28, 2015

By Vermont Fish and Wildlife

Spring has finally arrived in Vermont, and gardeners and landscapers are eagerly breaking out their shovels in anticipation of the year’s spring plantings.

Beyond the beauty new gardens provide, landscapers can make a big difference for wildlife with the plants they choose, according to Vermont Fish & Wildlife biologist Jon Kart.

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May 27, 2015

Smelling good is just part of what some beetles must do to find a mate. They have to exude the proper perfume at the right time of day and right season of the year, a UA-led team found.

A longhorned beetle’s sexy scent might make a female perk up her antennae. But when the males of several species all smell the same, a female cannot choose by cologne alone.

For these...

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May 23, 2015

As the Memorial Day holiday weekend kicks off the summer camping season, New Hampshire authorities are reminding people it's illegal to bring untreated firewood into the state without a written agreement from them. 

It's also illegal to transport hardwood firewood outside of Rockingham, Merrimack and Hillsborough counties to prevent the spread of emerald ash borer, a...

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May 18, 2015

By Brian Nearing

Albany

The state's new system to confront the invasive emerald ash borer, which relies on quarantine zones drawn around forests known to be infested, is unique among the 25 states in the eastern U.S. where the ash-devouring pest is found.

As a consequence of no longer lining up with federal control rules, the U.S....

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May 10, 2015

The locavore movement in Vermont is strong, whether vegetables, meat, craft beer or goods and services. I am here to promote the same approach in the purchase and burning of firewood. Why is this important?

Transported firewood is a major vehicle of invasive pests such as the emerald ash borer and Asian longhorned beetle. These pests are a grave threat to our forests. Over half of...

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April 29, 2015

Asian carp. Burmese python. Hemlock woolly adelgid. These are just some of the most destructive pests and the world's worst invasive species that raise the hackles of fisherman, farmers, and wildlife managers everywhere they invade.

But how do they establish themselves and take over non-native species so effectively and efficiently?

Knowing answers to these questions could...

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April 20, 2015

When Amazon launched its Amazon Home Services this week, the stars of the new initiative were …

Goats.

Seattle goats, specifically, ready to trim back your pesky shrubbery.

“We bring the goats and unload him,” said Tammy Dunakin, head goat wrangler and owner of Rent-A-Ruminant LLC. “The second they hit the ground, they’re eating. It’s...

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April 20, 2015

As Memorial Day approaches and the summer camping season gets started, take a moment to think about the places that you love and how you can help to protect them. Chances are that trees make up a key component of these places.  A spreading sugar maple, a towering ash; trees are vital to many of the places iconic to Vermont and New England. 

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April 20, 2015

The emerald ash borer (Agrilus planipennis) is a pest species that has killed tens of millions of ash trees and has the potential to kill most of the 8.7 billion ash trees in North America. The beetle, native to Asia, was accidentally introduced to the U.S. in 2002 in Michigan. Since then, it has spread into the eastern U.S. and southeastern Canada.

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Courtney Wotherspoon

April 9, 2015

OXFORD, Pa. — I GREW up thinking little of plants. I was interested in snakes and turtles, then insects and, eventually, birds. Now I like plants. But I still like the life they create even more.

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April 6, 2015

The long cold winter of 2014-2015 will go in the record books for a number of reasons.  It certainly impacted Vermont’s hemlock woolly adelgid survey program.  Hemlock woolly adelgid (hwa) is an invasive insect from Asia that feeds on hemlock trees.  It has been known to be in southern Vermont since 2007; primarily in Windham County, with small isolated infestations in Windsor...

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