WeevilTrak Blog | GreenCast | Syngenta
Welcome to the WeevilTrak℠ blog, offering you updates about annual bluegrass weevil (ABW) from industry leading researchers. This blog will provide you with timely ABW activity across the north east as well as advice on scouting and controlling them using the Optimum Control Strategy.

Archive: April 2019

Update on ABW activity in Virginia

Despite the warm weather at Blacksburg Country Club, annual bluegrass weevil adult activity has subsided a little.

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ABW activity in Virginia – April 20

The growing degree days at Blacksburg Country Club, Ballyhack near Roanoke, Virginia, and the Federal Club near Richmond increased last week. But despite warm weather, annual bluegrass weevil adult densities declined at all three sites.

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ABW adults building up in New Jersey. Prepare for adulticide applications if necessary.

The weevils are marching in, but at least at my two sites not in great numbers so far. I’m not sure if my populations are simply that low this year (I doubt that) or if the weevils are a bit confused by the rollercoaster weather.

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April Showers…bring May Weevils…

Throughout the Mid-Atlantic we have seen or are going to see peak movement of annual bluegrass weevil adults into fine turfgrass areas. In areas surrounding Washington D.C., golf courses likely peaked the week of April 15. In more northern points depending on the population at your course, ABW adults will likely peak the week of April 22.

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The weevils are coming – but don’t shoot yet!

As the temperature finally begins to warm up in the Pioneer Valley, we are finally beginning to see Forsythia blooming, along with star magnolias and daffodils. For those of you on golf courses in the Northeast, you know that means that annual bluegrass weevils will be on the move soon.

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Almost there for western Pennsylvania

The warm weather from April 8 – April 14 approximately doubled the previously accumulated growing degree days (GDDs) at all three of our WeevilTrak sites. Temperatures look good in these areas for the next seven days, so now is a great time to do some scouting, but exercise some patience with insecticide sprays.

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ABW activity in Virginia: April 15

Here’s the latest annual bluegrass weevil (ABW) update from Virginia.

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April Northern New England Update

This year I will continue to monitor five sites for WeevilTrak. As of April 8, all courses are ahead in growing degree day accumulation compared to last year.

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ABW activity in Virginia – First week of April

Spring has certainly sprung around Virginia with many plants and trees in bloom including daffodils, forsythia, Bradford pear, etc. And annual bluegrass weevil (ABW) adult activity on golf courses has remained steady.

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ABW activity in Virginia as April begins

The weather certainly warmed up during the latter part of last week and annual bluegrass weevil (ABW) adult activity has remained steady. Golf course managers should definitely be on alert to scout for adult weevil activity on annual bluegrass and creeping bentgrass collars, tee boxes and fairways.

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