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About Jim Hyland
Expertise
I am an expert in Forestry, Forest Entomology, Forest Pest Control, and Forest Health. Extensive knowledge in Identification of insects and diseases of trees. Expert on Bark beetles and other insects that attack forests. Also a Registrated Forester with extensive knowledge in the management and care of forests.

Experience
34 years as State Pest Management Chief in a Southern state. Extensive knowledge in Forestry.

BS with major in Forest Management and Entomology
Registered Forester
Certified Pesticide Appicator

You are here: Experts > Homework Help > Trees > Trees > Birch pests

Trees - Birch pests

Expert: Jim Hyland - 11/4/2009

Question

birch damage

can you tell me who does this?

Answer
This is caused by a wood pecker called a sap sucker. They make the holes in the bark and insects come to feed on the sap and the bird returns to eat the insects. You can spray the area with an insecticide to control the insect and the birds will stop coming. Any common insecticide will do Malathion, Orthene etc. On thin barked trees like birch the bark and the tree can be damaged by the wood pecker holes.

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