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News

  • Hornworm horrors; squeamish gardeners need not apply.

    Dave Anderson
    August 19, 2019

    Leaving the mid-summer forest to the hungry biting deerflies, I spend more time mowing fields or watering and weeding the vegetable garden. Like ...

  • Signs of Early Success in Emerald Ash Borer Biocontrol Project

    February 24, 2016

    In May 2014, the N.H. Division of Forests and Lands released parasitic wasps on the Forest Society's Merrimack River Floodplain Forest in Concord. These wasps prey exclusively on ...

    Read more
  • Pitting Wasps Against Beetles

    June 1, 2015

    New Hampshire is home to roughly 25 million ash trees. Two years ago, we learned the state is also home to a devastating invasive beetle – the emerald ash borer – which can completely destroy infested stands of ash trees in as little as six years.

    Now state foresters are hoping that ...

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Forests Pests, the Global Economy and Climate Change

Will Abbott
November 9, 2018
Invasives and Pests
Serpentine galleries under the bark are one form of visible damage from Emerald Ash Borer
Serpentine galleries from larval feeding just below the bark are one form of visible damage from Emerald Ash Borer.

The emerald ash borer is one of several insects causing significant damage to native ash trees in New Hampshire.  It was first discovered here infecting ash trees along the Merrimack River in Concord in 2013, including ash trees located on the Forest Society’s 100 acre floodplain forest reservation located between the western end of Portsmouth Street and the Merrimack River in East Concord.  Visit NHBugs to learn more about EAB, its range of impact in New Hampshire and other insects that threaten Granite State trees and forests.  You can read more details about current quarantines on transportation of ash trees in New England HERE.

Scientists studying the ecological integrity of forests cite the disruptions caused by non-native insects and pathogens as one of the largest threats to the health of trees and their natural communities.   Global trade is one of the culprits.  The most recent assessment by the International Panel on Climate Change suggests that a warming atmosphere could alter the ecological relationships between forest insects and their natural predators to the extent that additional ecological damage to trees and forests could result.

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Society for the Protection of New Hampshire Forests54 Portsmouth St.Concord, NH 03301
Phone: 603.224.9945Fax: 603.228.0423info@forestsociety.org
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