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: March 2015

Insecticide resistance in ABW – Part Two

Based on my observations through our own studies and conversations with colleagues, USGA agronomists and superintendents estimate that any golf course that has tried to intensively control Annual Bluegrass Weevil (ABW) for at least five years will have some level of insecticide resistance. With intensively, I mean multiple applications per year over large portions of the golf course.

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GAME ON!

As eager as every turf professional is to get the season started and break cabin fever, based on some discoveries on March 27th, this is also evident with ABW.

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Adult Emergence, Don't Panic!

Before WeevilTrak™, there was more confusion as to timing and choice of insecticides to control the annual bluegrass weevil (ABW). This confusion led to overuse of insecticides, poor timing and application of the wrong product - often leading to poor control and insecticide resistance. While discussing this problem with a DuPont research manager, we developed the concept of WeevilTrak, providing timely information to the superintendent to effectively manage weevils and minimize pesticide applications.

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Expect the Unexpected

This is the first year I will be participating in WeevilTrak™, though I have been an interested observer since the program's inception. I have been investigating ABW ecology and management for more than a decade in the New York metropolitan area, but this is my first season in Pennsylvania. So, what can I expect? From my studies in New York and New Jersey, I have learned that there are great differences in how individual ABW populations behave and develop.

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Insecticide resistance in ABW

Insecticide resistance in annual bluegrass weevil (ABW) populations is a growing problem. It is a course-by-course issue based on excessive insecticide use and poor insecticide resistance management.

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Don't Let Them Get Ahead of You- Scout!

As the snow has melted throughout Delaware, Maryland, Virginia and southern Pennsylvania, we have started to accumulate growing degree day (GDD) units.

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Southern range: expect ABW movement soon

Winter is finally showing signs of loosening its grip on the Northeast, in spite of this photo of the Watchdog monitor I maintain in my backyard.

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Don't get them angry!

The annual bluegrass weevil (ABW) is an insect that can get very "angry"- in regards to insecticide resistance that is.

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As Winter Wanes, Whither the Weevil?

At Robert Trent Jones Golf Course in Ithaca, NY, a weather tracker stands vigil in a field of snow. Awaiting the accumulation of growing degree-days, it is ready to participate as one of 31 golf courses across 12 states of the Northeast that serve as WeevilTrak monitoring sites.

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The ABW Primer

The annual bluegrass weevil (ABW) is a relatively new pest for much of the region I will be monitoring for WeevilTrak.

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