By Top Crop Manager
July 29, 2015 - Levels of armyworms are starting to decline in some fields as they turn to pupae, according to Manitoba Agriculture's most recent insect and crop disease update.
Lygus bugs have been reported at economic levels in sunflowers, and in a few canola fields in eastern Manitoba. Meanwhile, some corn fields in central Manitoba have had European corn borer near threshold levels. European corn borer have also been noted in potatoes in the Carberry area.
Soybean aphids are present in many fields, but remain well below the economic threshold. Spotted wing drosophila is present and at high levels in many raspberry crops.