A winter wheat field near Owen Sound has 4 to 5 acres of "missing plants", cut off at the soil level. Not many insects could do that kind of damage this time of year. It sounds like a case of winter cutworm. It was to the day, 4 years ago when I wrote a CropPest article about this pest. ... Continue reading
I had a few calls and emails yesterday about cereal leaf beetle in both winter and spring wheat. Damage was significant enough even in the winter wheat near Stayner and Bolton to warrant a spray. These winter wheat fields in particular were still in the earlier heading stages with 5 weeks to go ... Continue reading
It's been quite a week and it's only Tuesday. Many of you are calling about one of these pest issues so hopefully I can help answer all of your questions here.
Grass Sawfly in Wheat: Once you start to see sawfly feeding (see previous blog for pics and details) the feeding damage is nearly done.... Continue reading
I was hoping this was a one time pest that showed up last year. But there have been some wheat fields in the Highgate/Muirkirk to Kerwood areas that are seeing grass sawfly feeding. It is easier to identify grass sawfly since they feed during the day. They also have a characteristic feedin... Continue reading
Lots of reports are coming in of black cutworm and armyworm damage in Ontario.
Black cutworm has been found feeding in numerous corn fields and even an alfalfa field. Locations that I know of so far include fields near: Parkhill, Watford, Embro (alfalfa field), Renfrew County, and parts of West E... Continue reading