Here are five insect pests that have been observed this week. What are they? And do they eat canola?

1. What is this?

Bertha armyworm

Cabbage worm

Clover cutworm

Thistle caterpillar

2. Will it eat canola?

Yes

Not usually

3. What is this?

Bertha armyworm

Cabbage worm

Clover cutworm

Thistle caterpillar

4. Will it eat canola?

Yes definitely

Yes, but it prefers other plants

Not likely

5. What is this?

Bertha armyworm

Cabbage worm

Clover cutworm

Thistle caterpillar

6. Will it eat canola?

Yes definitely

Yes, but it prefers other plants

Not likely

7. What is this?

Clearwinged grasshopper

Migratory grasshopper

Packard grasshopper

Twostriped grasshopper

8. Will it eat canola?

Yes definitely

Yes, but it prefers other plants

Not usually

9. What is this?

Clearwinged grasshopper

Migratory grasshopper

Packard grasshopper

Twostriped grasshopper

10. Will it eat canola?

Yes definitely

Yes, but it prefers other plants

Not usually

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Listen to our new ‘Insects-theme’ podcast recorded live at canolaPALOOZA 2019. The expert discussions explores flea beetles in 2019 and timely management tips for cabbage seedpod weevil.

While you’re in quiz mode, try this older quiz on identifying green worms.