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: June 2021

In central and northern New Jersey ABW spring generation close to complete for 2021

In central and northern New Jersey, it is time to scout for and, if necessary, treat against the adults of the annual bluegrass weevil spring generation provided the population is still susceptible to any of the adulticides.

Read More


No matter the pressure, stay vigilant

It has been some time since my last blog, which usually means lots of things have been happening in the lab and field. Although our lab has been extremely busy with research and evaluating insecticide trials, it has been extremely quiet as far as ABW activity.

Read More


Large larvae and new adults occurring in Virginia – early June

As of June 10, 2021, WeevilTrak annual bluegrass weevil (ABW) monitoring in Blacksburg and Charlottesville, Virginia is indicating a flush of new adults crawling over greens. A peak in 4th and 5th instars is also occurring based on the soil plugs. Damage from these large larvae is evident in some spots around the golf course.

Read More


ABW Larvae Escapes 2021

ABW has been and will likely continue to be one of the most intractable insect pests of fine turfgrass throughout the Mid-Atlantic and Northeast regions. Sometimes, I see breakthrough with a well-timed application regime with the proper insecticides. In this blog, I will try to explain the reasons why I feel we see isolated outbreaks in golf course turf.

Read More


© Syngenta. Always read and follow label instructions. Some products may not be registered for sale or use in all states or counties and/or may have state-specific use requirements. Please check with your local extension service to ensure registration and proper use. Scimitar GC is a Restricted Use Pesticide. Acelepryn and Ference are Not for Sale, Sale Into, Distribution and/or Use in Nassau, Suffolk, Kings and Queens Counties of New York State unless permitted under FIFRA Section 24(c) Special Local Need Registration. The trademarks or service marks displayed or otherwise used herein are the property of a Syngenta Group Company or their respective third party owners.

(This site has attempted to provide the most accurate, timely information possible on this site. The descriptions, pictures and other representations of products and treatment recommendations on this micro-site may contain inaccuracies and errors. The site owner does not make any warranty or representation with respect to the accuracy or completeness of any such information, and all users of this site should consult their own specialists regarding application decisions and timing.)