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Now Showing: Posts by Dr. Albrecht Koppenhöfer 63 Posts

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Get ready for ABW larvicide applications soonApril 28, 2016

Around New Jersey, most golf courses with adult bluegrass weevils (ABW) issues have probably by now applied ABW adulticides to control the overwintered...

Worst Golf Course Insect Pest in the NortheastMarch 17, 2016

Which is the worst golf course insect pest in the Northeast? The answer to that may seem obvious to most people reading this WeevilTrak Blog: annual bluegrass...

Most effective way to manage annual bluegrass weevil: Reduce Poa annua wherever possible, as much as possibleAugust 31, 2015

After a season talking about insecticides and insecticide resistance, we should not forget one thing: The most sensible and effective way to deal with...

Change of direction in resistant ABW management?July 31, 2015

You might remember that this past spring we were testing the standard adulticides and larvicides on four golf courses with pyrethroid resistance levels...

Ference: The Real Deal?!June 8, 2015

First, an update on my five annual bluegrass weevil (ABW) monitoring sites for last week-Tuesday, June 1 and Wednesday, June 2.

ABW update from New JerseyMay 22, 2015

It has been a busy spring ABW season with 19 experiments on five golf courses. Meanwhile, all five populations I've been working with are ready for larvicide...

Insecticide resistance in ABW – Part TwoMarch 31, 2015

Based on my observations through our own studies and conversations with colleagues, USGA agronomists and superintendents estimate that any golf course...

Insecticide resistance in ABWMarch 20, 2015

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

Don't get them angry!March 13, 2015

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

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