Home / Canola Watch / Insects / Page 8
-
A full-fledged bertha armyworm outbreak continues in the Peace region. Continue scouting, noting that fields at thresholds can be right beside fields with low counts…
-
Bertha armyworm numbers are at thresholds in more Peace-region canola fields this week. Growers in the Birch Hills, Saddle Hills and Northern Sunrise areas in particular are encouraged to scout…
-
As predicted by moth traps, the Peace region has fields at thresholds. Beyond there, a few field here and there across the Prairies have been sprayed but the worm is not a problem on most fields…
-
The bertha armyworm risk is fairly low across most of the Prairies, but the insect pest is at high numbers in localized areas. These infestations can occur even when adult traps in the area had counts within the ‘low’ risk range, so scouting is recommended everywhere…
-
Insect pressure is low, for the most part. Localized outbreaks of bertha armyworm and other insects could be found, so scouting is still important, but no insect is causing any major damage at this time…
-
Test your bertha armyworm identification and scouting skills with these 6 questions…
-
Scout lygus at late flowering and podding stages using a standard insect sweep net of 38 cm (15") diameter. Take ten 180° sweeps, and aim to sweep the flowers and pods while moving forward. Count the number of lygus in the net…
-
The most damaging of the 'green' worms is the bertha armyworm, which can be green, brown or black…
-
What is this worm and will it eat canola?…