The latest info on plant pests, pathogens, and weeds.

Archive for November, 2014

Tips for identifying Ash trees

With the invasive Emerald Ash Borer (EAB) now found in Suffolk, Essex, and Berkshire Counties, many concerned members of the public have asked us for tips on how to identify Ash trees so that they can check them for signs of infestation. Here are some of the key characteristics of Ash: Green Ash White Ash […]

2014 Winter Moth Survey

It’s that time of year again: winter moths and other related species have started to show up at porch lights across the state. The winter moth (Operophtera brumata) is an invasive species first discovered in Massachusetts in the 1990s. Winter moth caterpillars are highly efficient tree defoliators, often stripping the leaves of oaks, maples and […]