QUIZ - Cutworms - Canola Watch

1. Which common cutworm species tends to thrive in dry conditions?

Pale western

Red-backed

Army

Dingy

2. How could cutworm scouting change in dry conditions?

Dig a little deeper

Wait until it rains before scouting

Scout in a grid rather than focus on patches

Look for cut plants

3. If you suspect cutworms are the cause of bare patches in a field, where do you look for cutworms?

In the rows where plants should be

The edge of the patch where plants are still living

Crawling on the soil surface

4. Army, bristly, dingy and glassy cutworms might be doing more damage this time of year than the two most common species – pale western and redbacked. Why? Because army, bristly, dingy and glassy species ______________.

become active around 100 growing degree days

feed on a wider variety of plants, including perennial weeds

overwinter as larvae

prefer dry spring conditions more than other species