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What is eating my water iris?

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Question from Ella Palmer


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Tiny pale black caterpillars eating all the leaves. How do I deal with this. Don't want to harm tadpoles in the pond!

  • Views: 889
  • Replies: 1
  • Posted: Fri. 4th June 2010 22:37

Re: What is eating my water iris?

Reply from Valerie Munro

From your description, it sounds as if it the iris sawfly that is your culprit. The plant most affected are waterside irises only and their season of destruction is right now - early to mid summer.

I think that your best method of control is by picking them off by hand and squishing them.

Remember, for every one you dispose of in this way, you are breaking the life cycles of hundreds more attacking the plant!

Good luck
Auntie Planty

  • Posted: Sat. 5th June 2010 09:46