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WOOLLY ASH APHID

IPM

woolly ash aphid
PNWNurseryIPM    

Introduction

Biology

Damage

Biological Control

Chemical Control

References

Terminology

Acknowledgements

 

 

 

 

 

 

Damage

Damage from woolly aphid feeding can be extensive. Aphid feeding induces curling in growing plant tissue. Enation or cupping of tissue can occur from the feeding of a single aphid. This damage is long lasting and can gravely impact the quality of nursery grown ash trees. The most critical economic damage in shade tree production occurs when the tree terminals are affected, often causing cull trees.

Honeydew produced by the aphids is copious and may promote the growth of black sooty mold.

curled new leaves
curled leaves on new growth

honeydew
aphid honeydew

aphids under tape
aphids under tape

 

 

Last modified - 7/22/02

 

Comments or questions? Contact Robin Rosetta

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