Crop Pest Update

Jul 17, 2020
Armyworms and grasshoppers continue to be the biggest insects concern on crops in Manitoba.
 
Scouting for diamondback moth continues, with just one report of spraying for diamondback moth.
 
Spraying for goosefoot groundling moth and a stem borer maggot has been reported from quinoa.
 
Green cloverworm has been found on soybeans in eastern Manitoba, but not at levels that would be economical.
 
Pupal clusters of Cotesia, a parasitoid of armyworms and other caterpillars, have been reported to be quite abundant in some of the fields that had armyworms.
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