May 16, 2018

Canola Watch quiz – Flea beetle theme

Crucifer and striped flea beetles are feeding together. Credit: Brent Wiebe

1. How many generations do flea beetles have per year on the Canadian Prairies?
2. At what ground temperature can we expect peak emergence of crucifer flea beetles?
3. What is the “action” threshold for flea beetle damage?
4. How far can flea beetles travel to look for food?
5. Do dry conditions increase or decrease the threat from flea beetles?

 

Further reading:

9 steps to make the right flea beetle spray decision
Canola Encyclopedia chapter on flea beetles
PPMN blog on flea beetles

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