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.

Latest Posts: Dr. Terri Billeisen

Northern North Carolina sites seeing the most ABW action

In areas historically hit hard by annual bluegrass weevil (ABW) activity and damage in North Carolina, June and July have been fairly quiet this year. But this has varied depending on location.

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Larval activity in some areas!

We're seeing some larval activity at WeevilTrak sites in North Carolina.

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Time to get going! ABW numbers are picking up at multiple sites…

ABW activity and temperatures are heating up in North Carolina.

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2021 ABW Spring Season: Calm Before the Storm

As of Friday, April 2, things were getting a bit of a late start in North Carolina, especially compared to 2020, when a warm February resulted in early ABW adult activity and some early applications. This spring has been relatively cold with degree day accumulations between 1-3 weeks behind what we have observed in the past.

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Fairly quiet on the ABW front…

With a few exceptions, annual bluegrass weevil (ABW) activity in North Carolina has been quiet since early June. This is typical for this area. Most years, peaks and corresponding damage start in March-April and continue through Memorial Day. June and July tend to be relatively quiet, and then we see the occasional spike in activity again in early August. So, if you have not had an issue for more than a month, continue to keep an eye on the adult activity in case we see an increase in the next two weeks.

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It’s May in North Carolina and you know what that means…

…it’s (typically) the busiest time for annual bluegrass weevil (ABW) and management in North Carolina. If ever you were going to pick a time to monitor, this should be it.

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April annual bluegrass weevil in North Carolina

In the last few days, sites in Cashiers and around the Hendersonville area have seen increased numbers in adults so it is likely time to start planning your next (or maybe first) application.

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The 2020 ABW Season is here!

We now have three sites across the western part of North Carolina which will give us a good snapshot at what is happening, in terms of timing and ABW activity, each season. If you have not yet selected a primary or secondary course to follow, do so now. Things are happening.

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ABW: The Next Generation

The busiest time of the year for ABW has officially started. Sites in both the northern and southern areas if North Carolina have started showing moderate damage in the last few weeks.

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NC May WeevilTrak Update

It has been a relatively slow start to the ABW 2019 season so far in North Carolina. Although ABW adults became active in mid-March throughout the state, numbers have continued to remain well below threshold, likely due to rainfall and cooler temperatures. Let’s compare where we are currently to this time last year to help predict when to make the first application.

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