Larvae of a parasitic wasp emerging from an armyworm.

Manitoba crop insect and disease update

Conditions as of July 7, 2015

Some localized higher populations of armyworms and grasshoppers are present. Scouting is encouraged, although in many cases populations are noticeable but not economical as of yet. Armyworms in cereal crops are present in noticeable levels in many areas of Central Manitoba. Larvae can be scouted for by counting the number of larvae per square foot on average. The majority of larvae will be on the ground during the day and often hidden […] Read more