Invasives and Pests

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 reservati

Tuesday, October 30, 2018 - 5:30pm
ConcordMerrimack County, New Hampshire

Are you noticing dead or declining trees in your forest woodlot or neighborhood?  Are you seeing tree issues that you can’t identify or have never seen before?  Join Forest Health specialists for an informative evening of discussion on tree health and common tree infections/infestations from disease and insects.  Lectures will include descriptions of common tree health offenders, and what preventative measures might be appropriate for your woodlot.

Tuesday, October 23, 2018 - 5:30pm
ConcordMerrimack County, New Hampshire

Are you noticing dead or declining trees in your forest woodlot or neighborhood?  Are you seeing tree issues that you can’t identify or have never seen before?  Join Forest Health specialists for an informative evening of discussion on tree health and common tree infections/infestations from disease and insects.  Lectures will include descriptions of common tree health offenders, and what preventative measures might be appropriate for your woodlot.

Saturday, October 6, 2018 - 9:00am
Sullivan County, New Hampshire

Invasive plants continue to be a serious problem for landowners and natural resource managers. Join the Upper Valley Land Trust and several invasive plant specialists to learn how to effectively combat invasive vegetation. This field-based workshop will focus on identifying invasive plants, understanding their ecology, and learning which techniques are most effective in controlling them.

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.

Over the past several years, the flightless insects, called scales, have bored deep into the bark of red pines throughout the region, ravaging the ramrod trees from New York to Maine.

Concord April 8, 2013--The March 28 discovery in Concord, N.H., of the emerald ash borer (Agrilus planipennis), an invasive beetle that has decimated ash trees in the Midwest, prompted the State to issue an emergency quarantine on the movement of ash materials—including firewood, woodchi