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Name: lisa
Status: other
Grade: other
Location: PA
Country: N/A
Date: 7/1/2005
Question:
We have alot of sap dripping from our oak trees all of a sudden, can you tell me why?

Replies:
The following indicates the sap might be from insects feeding upon the tree:

http://www.mg.umn.edu/FAQ/trees.htm

and recommends using a forceful stream of water from a hose to dislodge them.

Anthony Brach Ph.D.

Dear Lisa,

You may have sucking insects such as aphids or mites feeding on the leaves. If the sap is coming from the branches, you might have wood larvae/beetle emergence

Jim Tokuhisa.


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