Invasives in the News

September 16, 2015

Department of Environmental Conservation (DEC) staff recently confirmed the presence of starry stonewort(Nitellopsis obtusa) in a small cove on the southeast side of Lake...

Read more

September 11, 2015

    WORCESTER - Good news on the Asian longhorned beetle front: Surveys of traps hung across Worcester County this summer have turned up only one of the pests in the city, where an infestation of the tree-killing insects was centered, and none in the region beyond.

    This suggests that efforts to stop the spread of the beetle are paying off, according to...

Read more

September 4, 2015

"Most readers are familiar with monarch butterflies (Danaus plexippus). The striking orange and black species has historically been widespread throughout North America.

Its life history makes it an attractive tool for lessons about insect ecology. Monarch caterpillars forage exclusively on milkweed (Asclepias). Foul-tasting chemicals they acquire from the plants render monarch...

Read more

August 28, 2015

"The tiny seedling was brought over from Eastern Europe and parts of Asia nearly 200 years ago and planted along riverbanks across the United States, mostly in the Southwest, to prevent erosion. It grew fast, its thick branches and oily leaves spreading across five states. As years passed, it became obvious that the introduction of salt cedar, or Tamarisk trees was a mistake. The invasive tree...

Read more

August 27, 2015

In 2001, ash trees began dying in Detroit, and no one could say why. Then glittering green beetles were discovered crawling out of an ash log.

American scientists had never seen the beetles, and they reached out to experts around the world for help. A Slovakian entomologist named Eduard Jendek solved the mystery: Detroit’s ash trees were being killed by Agrilus planipennis, the emerald...

Read more

August 24, 2015

As part of my job managing aquatic invasive species for the Department of Environmental Conservation, earlier this summer I traveled to Vermont’s Northeast Kingdom for a site visit to Shadow Lake in the town of Glover.

Read more

August 21, 2015

"Years ago, President Woodrow Wilson grazed sheep on the White House lawn. The wool was sold to raise money for the Red Cross during World War I.

Today there are other reasons to pasture animals on public property in towns and villages – and two Vermont towns experimenting with the practice are seeing positive results.

In Randolph, just at the edge of the village, Jenn Colby’s...

Read more

August 21, 2015

At the height of summer, numerous plants are in bloom. Also in bloom are the reported sightings of invasive plants. While many reports correctly identify common culprits, like Wild parsnip and Japanese knotweed, the suspected sightings of other invasive plants increase because of native plant look-a-likes.

Read more

August 19, 2015

Updates from the hemlock woolly adelgid management meeting in Clarion, Pennsylvania. 

Read more

August 18, 2015

By Jan Beglinger Genesee Master Gardener

Oak wilt is an aggressive and often deadly disease that affects all species of oaks (Quercus).  It is one of the most serious tree diseases in the eastern United States.

Each year thousands of oaks die from this disease in yards, public landscapes and forests.  It has been found in 21 states, with considerable damage occurring in...

Read more

August 12, 2015

August is “Tree Check” month.  It’s the time when ecologists are out surveying the forests to see if invasive insect species are showing up in the state. Here in Vermont scientists are primarily on the lookout for Asian longhorned beetle, Emerald ash borer, and hemlock woolly adelgid.

So far the longhorned beetle and the emerald ash borer haven’t infiltrated...

Read more

August 8, 2015

"ESSEX, Vt. -
As a landscaper, Judson Kimble is used to pulling out tough weeds. But this plant fought back.

"The foliage, the stems, the flowers. Any of it. If you break it, it all has juice inside of it," Kimble said.

That juice earned the wild parsnip its second name, "poison parsnip." And it's the reason Kimble has long, red marks all over his arms. When the sap hit his...

Read more

August 7, 2015

"New York State recently completed its second Invasive Species Awareness Week. The effort to expand awareness about the spread and prevention of invasive species is patterned on an effort that began in the Adirondacks.

Read more

August 4, 2015

Washington, Aug. 3, 2015 — The U.S. Department of Agriculture's (USDA) Animal and Plant Health Inspection Service (APHIS) announces August is Tree Check Month and urges people to check trees for signs of the invasive Asian longhorned beetle (ALB). August is a time of peak emergence for the beetle and is most likely when the adult beetle can be seen infesting trees.

Read more

August 3, 2015

Article from NY state

"An attractive yellow flower blooming along Southern Tier highways and in open areas is related to the giant hogweed and should be avoided, the state Department of Environmental Conservation advises.

The wild parsnip has expanded its range in recent years, and while not as dangerous as the giant hogweed, which can severe burns and blisters, is still not to...

Read more