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

Posts Tagged ‘winter moth’

2016 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 […]

2015 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 […]

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 […]

2013 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 […]

2012 Winter Moth Survey

UMass Extension is reporting that winter moths will likely start to emerge in about a week or so. The winter moth (Operophtera brumata) is an invasive species first discovered in Massachusetts in the 1990s. Winter moth caterpillars are efficient tree defoliators, often stripping the leaves of oaks, maples and other hardwood trees down to lacy […]

Winter Moth Update From UMass Extension

Bob Childs, an entomologist with UMass Extension, recently released a Winter Moth Update for Massachusetts, noting that the early hatch of caterpillars followed by below-freezing temperatures in many parts of the state apparently led to a serious decline in populations of this defoliating pest. While this is surely a relief to many who were concerned […]

Winter Moth Caterpillars Are Coming

Will the warmer-than-usual temperatures this past winter have a positive or negative impact on populations of invasive winter moth (Operophtera brumata)? Bob Childs from UMass Extension looks at the data and makes predictions in The Warm Winter of 2012 and What to Expect From Winter Moth in Massachusetts. (Photo by Bob Childs)

2011 Massachusetts Winter Moth Survey

If you see winter moths this November or December, we’d like to hear from you using the survey below. The information you provide will be used to assess the distribution of this invasive pest in our state. Reports are starting to come in that winter moths are flying once again in Massachusetts. Winter moth (Operophtera […]

Success In The Winter Moth Battle

UMass Amherst is reporting that Extension entomologist Joe Elkinton now has evidence that the biocontrol for the invasive winter moth has finally taken hold in Massachusetts. For the past 6 years, Elkinton’s lab has been rearing and releasing a parasitic fly, Cyzenis albicans, that attacks the invasive winter moth (Operophtera brumata). Research shows that fly […]

Winter Moth Damage Predicted to be Up in 2010

UMass Extension is predicting an increase in damage caused by winter moth caterpillars this spring. As reported in this article in the Brockton Enterprise, Deborah Swanson, Extension educator for Plymouth County, is expecting defoliation of trees by winter moth caterpillars to be significant in southeastern Massachusetts. This is based on data from UMass indicating that […]