Canola Watch quiz – Flea beetle theme

1. How many generations do flea beetles have per year on the Canadian Prairies?

1

2

5

10

2. At what ground temperature can we expect peak emergence of crucifer flea beetles?

5°C

10°C

15°C

20°C

3. What is the “action” threshold for flea beetle damage?

10% leaf area loss

25% leaf area loss

35% leaf area loss

50% leaf area loss

4. How far can flea beetles travel to look for food?

A few feet

Up to 100 feet

The next field

Farther than that

5. Do dry conditions increase or decrease the threat from flea beetles?

Increase

Decrease