New and Invasive Pests

Many of our most challenging pest management problems are presented by invasive pests that are new to our region.  

Brown Marmorated Stink Bug (BMSB) is a true bug that is native to China, Japan, Taiwan and Korea. It was first discovered inthe United States in Eastern Pennsylvania in 1998, and it was confirmed in New Hampshire in summer, 2010. This invasive insect presents two types of problems: it can be a significant household nuisance, and a serious agricultural pest.

Learn more about BMSB

Spotted Wing Drosophila (SWD) is a vinegar gnat (fruit fly) native to China and Japan. It was first discovered in New Hampshire on September 6, 2011. Unlike other fruit flies, it attacks ripe and ripening fruit of many important crops as well as other fruits growing in the NH landscape. 

Learn more about SWD


Asian Longhorned Beetle (ALB) The Asian Longhorned Beetle (ALB) was found in Worcester, MA in August 2008 and in Boston in July 2010. This insect pest poses a serious risk to trees and forests. As of Sept 23, 2014, it has not been found in New Hampshire.

Learn more about ALB

Yellow Rattle is a parasitic weed that attacks grasses.

Learn more about Yellow Rattle


Emerald Ash Borer was found in Concord and Canterbury, NH (announced spring 2013) and now (Sept 2014) in Salem.  Firewood quarantines are in effect in both Merrimack and Rockingham counties.

Learn more about Emerald Ash Borer