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: Steve McDonald

ABW Peak

Since all of the locations I am monitoring have moved into Stage 1 or beyond, and adult activity of the spring migration has peaked or is past peak, we have started the search for larvae. As I have been visiting golf courses throughout the region the past 7 to14 days, we have done post application sampling using soap and vacuum methods to determine the effectiveness of applications targeting adults. The vacuum sampling has proven to be a useful technique to find dead adults, whereas the soap flush is not. Just pour your findings onto a tray or bucket and make sure they are dead. Be careful as they can "play possum".

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Migration Plantation

Last week marked the Cherry Blossom Festival in Washington, D.C. The afternoons were marked with warm sun and many different plants in the landscape were blooming. We are seeing more migration of annual bluegrass weevil (ABW) adults on all of the sites I am working with for WeevilTrak.

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Adults in the Rough, Fine Turf is Next and Perimeter Sprays

Albeit slowly, we have started to accumulate growing degree days (GDD). Currently, the Maryland sites have about 30 GDD. Sites in Philadelphia and Southern New Jersey have less than 20 GDD, whereas the Allentown location has only 4-5 GDD.

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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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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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