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Home / Canola Watch / Some flea beetle feeding is OK

  • Flea beetle
  • Insects
  • May 23, 2013 - Issue 8
May 23, 2013

Some flea beetle feeding is OK

Flea beetles damage canola by feeding on stems, cotyledons and young true leaves. Please read updated articles on flea beetles, including:

  • Canola Encyclopedia chapter on flea beetles – which describes the insect and provides management tips.
  • How to assess leaf area loss from flea beetles
  • How to make the flea beetle spray decision
Crucifer flea beetle populations are building but they aren't to blame for all damage.
Crucifer flea beetle on a canola cotyledon.

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Related Articles

Estimating flea beetle damage in canola
Flea beetles damage canola by feeding on stems, cotyledons and young true leaves. Please read updated articles on flea beetles, including: Canola Encyclopedia chapter on flea beetles – which describes the insect and provides management tips.How to assess leaf area loss from flea beetlesHow to make the flea beetle spray decision
8 steps to make the right flea beetle spray decision
While only a small percentage of canola fields tend to require flea beetle management in addition to seed treatment, all fields should be monitored to assess the potential threat. Begin monitoring right after emergence and through until at least the four-leaf stage. Seed treatment can be effective through most of this period, but slow starting…
8 steps to make the right flea beetle decision
While only a small percentage of canola fields tend to require flea beetle management in addition to seed treatment, all fields should be monitored to assess the potential threat. Begin monitoring right after emergence and through until at least the four-leaf stage. Seed treatment can be effective through most of this period, but slow starting…
Are those flea beetles worth spraying?
A few flea beetles in a field are not worth the time and investment to spray. They will not cause economic losses. Only when defoliation reaches 25% across the field and feeding pressure continues does it make sense to spray for flea beetles. Seeing a few flea beetles is not a call to action, but…

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