The hemlock woolly adelgid
is responsible for the death of large numbers of hemlock trees from the Carolinas to New England, and it's causing lots of problems.
The woolly adelgid
has chewed its way up the crest of the Appalachian Mountains from the Carolinas to Canada.
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Those streams, kept cool in late spring and summer months by the shade provided by a dense canopy of hemlocks, are threatened by the steady advance through Massachusetts stream corridors of the hemlock woolly adelgid
, an insect pest that over time has the capability of killing the hemlock.
The emerald ash borer, Asian long-horned beetle and hemlock woolly adelgid
aren't exactly household names, but their threat to state forests is known all too well to the Bureau of Forestry," said Dr.
Global warming has reduced the number of frost days, allowing the spread of harmful insects, such as the woolly adelgid
that kills hemlock trees, and diseases transmitted by ticks and mosquitoes, he said.
This year, a total of 25 sites in 15 counties have received more than 80,000 of the predatory ladybird beetle Pseudoscymnus tsugae (Pt), which eats hemlock woolly adelgid
eggs and its other life stages.
Fraser firs, crowning the highest mountains in the southern Appalachians, have been almost exterminated by the balsam woolly adelgid
, an insect brought to Maine on nursery stock from Europe around 1908.
One concern raised was the potential effect the hemlock woolly adelgid
, an insect pest, would have on the 8 percent of the forest that is Eastern hemlock.
Whether the task is protecting Fairmount Park hemlocks against the woolly adelgid
or promoting funds for greenway acquisition, DCNR have experts who can, and will, help.
At high elevations in North Carolina, the balsam woolly adelgid
(aphid) seems to be the culprit in the highly visible death of Fraser firs.
Munroe's third-grade class, a project on the hemlock woolly adelgid