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Aphids on tree


elfie
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Have a client who has several spruce trees along the back of his garden boundary.  There are thousands of small aphids across the spruce trees and also the adjacent fence.  Don't have a picture of them yet however the Aphids are approx 5mm in size / have a tear shaped body and have 6 legs.

 

I've never seen such an infestation of aphids before.  does anyone have any ideas or encountered such an issue.

 

I will post some pictures tomorrow.

 

Any help greatly appreciated

 

 

  

Edited by elfie
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Southeast tree care - They do look like these however ours are all black...will posts pics tonight !

 

Paul - Yes the winter was generally mild with very little skiing and low temperatures (not normal)

 

What is the long term effect of these Aphids. Do they damage the Spruce trees ?

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5 hours ago, elfie said:

Southeast tree care - They do look like these however ours are all black...will posts pics tonight !

 

Paul - Yes the winter was generally mild with very little skiing and low temperatures (not normal)

 

What is the long term effect of these Aphids. Do they damage the Spruce trees ?

Yes they do damage spruce trees, they are sap suckers. With such a heavy infestation they could kill small trees and weaken the larger trees. You could spray the small trees with a current approved pesticide, the larger trees will just have to sit it out and you can hope their predators  can control the infestation

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Paul - Many thanks for that,  the trees are however large and will have to sit it out.  I went along tonight and collected a few of the Aphids.  There were not as many on the tree as per last night,  maybe its the cold wet weather ??  Picture attached.

 

DSC_1510.jpg

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31 minutes ago, elfie said:

Paul - Many thanks for that,  the trees are however large and will have to sit it out.  I went along tonight and collected a few of the Aphids.  There were not as many on the tree as per last night,  maybe its the cold wet weather ??  Picture attached.

 

DSC_1510.jpg

looks like a greater black spruce bark aphid

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