Smokies foresters fighting bug deadly to thousands of trees

Thousands of acres of hemlock trees in the Smokies are in danger because of an insect called the hemlock woolly adelgid. “We’re looking at some of the sadder picture of forest insects and disease,” said GSMNP Forester Jesse Webster. Popular lookouts are littered with dead trees and visitors are noticing. Read more: http://wjhl.com/2016/08/22/smokies-foresters-fighting-bug-deadly-to-thousands-of-trees/

By | August 26th, 2016|News|Comments Off on Smokies foresters fighting bug deadly to thousands of trees

Pennsylvania state tree under severe attack, prognosis unclear

That’s due to the one-two punch of two highly destructive insects: hemlock woolly adelgid (HWA) — an aphid-like insect — and elongated hemlock scale (EHS) — an armored insect. Both are foreign invaders: HWA from Asia and EHS from Japan. Because of this, neither has any natural predators here, so they are free to infect [...]

By | August 25th, 2016|News|Comments Off on Pennsylvania state tree under severe attack, prognosis unclear

Mountain Xpress highlights Hemlock Restoration Initiative

Since its accidental arrival here from southern Japan about two decades ago, the hemlock woolly adelgid has killed hundreds of thousands of trees, devastating some forests in the region. Exact numbers are hard to come by, says Margot Wallston, statewide coordinator for the Hemlock Restoration Initiative, but hemlocks “are a major player in our forested [...]

By | August 8th, 2016|News|Comments Off on Mountain Xpress highlights Hemlock Restoration Initiative

Tree-killing Hemlock Woolly Adelgids Hitch Rides on Birds

At first glance, you might not think these little bits of fluff could pose much of a threat. But, like Star Trek’s troublesome tribbles, hemlock woolly adelgids (Adelges tsugae) can quickly multiply and wreak havoc. When these tiny sap-sucking insects were introduced to the forests of the Northeastern United States, they lacked an effective predator [...]

By | August 2nd, 2016|News|Comments Off on Tree-killing Hemlock Woolly Adelgids Hitch Rides on Birds

Fred Hain is Bringing Hope to the Hemlocks

Fred Hain knows that when a forest dies — from its deep root system up to its canopy that once teemed with birds, squirrels, and insects — it makes no sound. For the past two decades, he’s watched green hemlock forests in the North Carolina mountains quietly fade to ashen gray. Now Hain, director of [...]

By | April 7th, 2016|News|Comments Off on Fred Hain is Bringing Hope to the Hemlocks

What’s eating our evergreen trees?

The balsam fir, a tree now starring in many homes as the centerpiece of Christmas decorations, has a tiny enemy in the wild. So does the hemlock, the Pennsylvania state tree. Balsam Woolly Adelgid Their nemesis is a little sucker, literally: an insect called the woolly adelgid. “It has a piercing, sucking mouthpart almost [...]

By | December 16th, 2013|News|Comments Off on What’s eating our evergreen trees?

American Forest Foundation Blog has article about hemlock woolly adelgid

A silent killer is blazing a trail through the Appalachians, leaving countless dead hemlocks in its wake. The assassin is a tiny invasive insect from Japan, the hemlock woolly adelgid (HWA). It is stealthy and brutal, causing 80-90 percent mortality of eastern and Carolina hemlocks. Many fear the loss of these ecologically significant and charismatic [...]

By | February 17th, 2012|News|Comments Off on American Forest Foundation Blog has article about hemlock woolly adelgid

Robert Jetton and Fred Hain Receive Funding from the US Forest Service to Conduct Research on Infestation Techniques and Variation in Adelgid Susceptibility in Hemlock

In June of 2011, Robert Jetton (NCSU Camcore) and Fred Hain (NCSU Department of Entomology) received a $45,040 grant from the US Forest Service Southern Research Station for a new research project titled, “Evaluating Techniques for Artificially Infesting Hemlocks (Tsuga spp.) with the Hemlock Woolly Adelgid (Adelges tsugae) and Assessing Variation in Adelgid Susceptibility Among Carolina [...]

By | August 24th, 2011|News|Comments Off on Robert Jetton and Fred Hain Receive Funding from the US Forest Service to Conduct Research on Infestation Techniques and Variation in Adelgid Susceptibility in Hemlock

Reclaiming Hemlocks and Firs: A Symposium

The Alliance for Saving Threatened Forests (ASTF) is hosting a one-day (9a.m.-5p.m.) symposium reporting on host resistance research to the hemlock and balsam woolly adelgids.  The conference will take place October 26th at the Haywood County Extension Center, across from the Mountain Research Station (MRS) in Waynesville, NC. The day will include an afternoon tour [...]

By | August 24th, 2011|Balsam woolly adelgid, Hemlock woolly adelgid, News|Comments Off on Reclaiming Hemlocks and Firs: A Symposium

Majestic Giants and Tiny Terrors

Call them one of “America’s  Most Wanted” invasive pests: the hemlock woolly adelgid (HWA).  After arriving here from Asia in the early 1950’s, these pesky aphid-like insects have devoured their way through millions of hemlock trees and left a trail of “ghosts” through the forest. [More]

By | April 8th, 2011|News|Comments Off on Majestic Giants and Tiny Terrors