Annual bluegrass weevil

It's that time of year again. The forsythia has been seen blooming, poa seedheads are up in many areas and Growing Degree Days base 50 F (GDD50) have exceeded the requirement for adult development of annual bluegrass weevil. (ABW)

The alarm bells are going off. Dr. Ben Mc Graw (@TurfEnto) noted that Pittsburg has reached 153 GDD50s - peak timing for adult ABW emergence and activity. Most of the weevils that Dr. McGraw observed were on the shorter mown fairway…