Insect Pests
Cabbage seedpod weevil was first found in canola crops in southern Alberta in 1995, and has since spread to central Alberta, much of Saskatchewan and recently reached Manitoba. Originally, a nominal threshold level canola growers were advised to spray was three to six weevils per one 180-degree sweep at the…
Recent scouting efforts and grower calls have indicated an increased presence of corn earworm in Ontario corn fields, according to OMAFRA's latest crop report. Some fields have reported high levels of the pest and late planted fields are the most at risk.
OMAFRA staff share their 2018 seasonal insect pest summary for the province of Ontario. Swede midge, armyworm and western bean cutworm were not big problems for canola, wheat and corn compared to previous years. In contrast, pests like cereal leaf beetle, alfalfa weevil, soybean aphids and pea aphids reached thresholds…
Quinoa growers commonly find goosefoot groundling moth, tarnished plant bug, quinoa downy mildew, and Passalora leaf spot each season in Ontario quinoa fields. 
In Ontario there are a few pests to be concerned about before crops are harvested. OMAFRA's field crop team breaks down how to look for and treat Western bean cutworm, bean leaf beetle, stink and tarnished plant bugs in their latest crop report. 
A research scientist at Agriculture and Agri-Food Canada in P.E.I is investigating natural ways to deal with pests that damage cabbage, canola and potatoes. 
Armyworm has been spotted at low levels in winter wheat fields, increasing the need to scout for this pest in spring cereals and mixed forages.
Cabbage seedpod weevils (CSW) are being found in spring canola, and the key to protecting your crop yield is to prevent adult CSW from laying eggs in newly formed pods.
Flea beetles and cutworms continue to be the main insect concerns, according to John Gavloski in the latest Manitoba Insect and Disease Update. Foliar insecticide applications are occurring in many canola fields and some second insecticide applications to control flea bettles. There are also more reports of reseeding of canola because of…
With the loss of effective insecticides (e.g. lindane), wireworms have re-emerged in recent years as primary pests of potato, cereals and vegetables. Wireworms are the soil-dwelling larval stage of the click beetles (Elateridae). In this Insect of the Week, learn more about identification, scouting and management options. | READ MORE
First cut took place on most of the forage acres in southern Ontario. Though this is an effective way to manage alfalfa weevil, this year the larvae were quite small at the time of cutting, writes Tracey Baute in her latest Baute Bug Blog on FieldCropNews.com. | READ MORE
Seedling disease is showing up in early planted soybeans, and flea beetles are a concern in many canola fields, according to John Gavloski in the latest Manitoba Insect and Disease Update. 
With planting delayed briefly due to rain, it is the perfect time to get out and set up some wireworm bait stations. Soil temperatures are quite warm now and recent University of Guelph Ridgetown Campus research has found that spring is the better time to successfully bait for wireworms. Tracey…
Specialists at Alberta Agriculture and Forestry (AF) are working to have fields predetermined for the 2018 insect survey season and are looking for assistance from agrologists and producers across Alberta. This year, the survey teams would like to check pea and wheat fields. They will survey for pea leaf weevil…
Cabbage seedpod weevil is an invasive insect pest of canola. Originally found in Europe, the insect proliferated in the United States and was first confirmed in Alberta in the mid-1990s.
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