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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

ABW update for June 22, 2020 in Virginia – It’s all about the new adults

ABW update for June 22, 2020 in Virginia: It’s all about the new adults

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One Down……????? To Go

There is nothing easy about managing…..well anything in the mid-Atlantic, but even with all the information at your fingertips with websites and instant text/email notifications such as WeevilTrak, in concert with personalized scouting at your specific site, annual bluegrass weevil (ABW) still remains one of, if not the most challenging pest across the region.

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Annual Bluegrass Weevil update for June 8, 2020 in Virginia – First wave of larvae have done their damage

The first wave of ABW larvae have done their damage.

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Annual bluegrass weevil season 2020: long period of adult activity and “express” larval development

Growing degree day (GDD) accumulation in Massachusetts and northern Connecticut had a quick start in early March and increased relatively rapidly up to mid –March, with a couple days in the high 60s, for most of our locations.

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Annual bluegrass weevil 2020

We started to first see some annual bluegrass weevil (ABW) damage in northern Virginia and Maryland on May 22 to May 25.

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Time to control all larval stages: ABW stages likely to be all over the place

Yes, Steve McDonald is right: it is a mess! The crazy weather patterns must have the annual bluegrass weevils (ABWs) about as confused as you.

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What a mess

In my career, I thought I had heard every question possible from golf course superintendents until this week. I had a superintendent ask me if I thought the Coronavirus could kill annual bluegrass weevils (ABW)…… I honestly could not answer him seriously, but I did laugh and say “I don’t think so, you are probably going to need to mitigate with an insecticide.”

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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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Annual bluegrass weevil update for May 18, 2020 in Virginia – Peak larval time happening throughout Virginia

The graphs below show the annual bluegrass weevil (ABW) adult (top graphs) and larval densities (bottom graphs) per square foot from the Federal Club in Richmond, Virginiasampled by Jordan Booth, Ballyhack Golf Club in Roanoke, Virginia, and Blacksburg Country Club, sampled by Emeline Daly since March 2020.

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Weevil Trak Blog for May 13th, 2020: Stuck in first (instar) gear

We have been experiencing an extremely cold stretch of weather in Pennsylvania and Ohio over the last couple of weeks, including two days where we woke up to snow on the ground in State College.

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