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Caterpillars destroying my weeping willow


 
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catman
Rank attained: Hawthorn Tree
Rank attained: Hawthorn Tree


Joined: 28 May 2009
Posts: 65
Location: Kilkenny

PostPosted: Sun Jul 05, 2009 11:02 pm    Post subject: Caterpillars destroying my weeping willow Reply with quote

Not sure if this post should be in this section really considering caterpillars turn into lovely butterflies but I've just returned after the weekend and found about half the leaves on my new weeping willow eaten by caterpillars. I removed all the ones I could find but not sure if I got them all. What is the best defence against caterpillars to prevent it happening again and to make sure I have got them all?
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michael brenock
Rank attained: Chlorophyll for blood


Joined: 12 Aug 2008
Posts: 1275
Location: cork

PostPosted: Sun Jul 05, 2009 11:31 pm    Post subject: Reply with quote

Shake the tree vigorously or turn the water hose on them. The tree will recover i feel sure.
michael brenock Horticultural advisor (retired)
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verge
Rank: Chief Moderator


Joined: 04 Jun 2006
Posts: 598
Location: Ireland

PostPosted: Mon Jul 06, 2009 12:08 am    Post subject: Reply with quote

Were they sawfly caterpillars catman? Lots of talk about them on here. This is one such thread with a pic of the buggers Is this a sawfly larva?
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catman
Rank attained: Hawthorn Tree
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Joined: 28 May 2009
Posts: 65
Location: Kilkenny

PostPosted: Tue Jul 07, 2009 11:52 am    Post subject: Reply with quote

thanks Michael and Verge. Its not Sawfly Larvae, at least it doesn't look like the picture. I tried to take a pic of them yesterday evening but I couldn't find my camera anywhere. They are a bright yellow green colour with a few black dotted lines along them and a big black head.
Is there anyway to keep them of the plant long term? I did as you said and shook the bejaysus out of the tree then gave it a terrible going over with the strongest setting on the hose but when I went out to check this morning I still found two more. I suppose I'll just have to keep a vigilant eye and pick them off as I find them.
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