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Gardening Know How Questions & Answers - https://questions.gardeningknowhow.comI have a huge California willow tree in my yard and have noticed a hole the size of a basketball. The hole is near the base of the tree approx. 5 inches from the ground. There are ants crawling in the hole but no other insects that I could see. There is something that looks like sawdust but not a lot of it. Is this something I should be concerned about?
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[1] https://hortnews.extension.iastate.edu/carpenter-ant: https://hortnews.extension.iastate.edu/carpenter-ant
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1 Comment To "willow tree"
#1 Comment By Downtoearthdigs On 06/12/2017 @ 6:20 pm
I would recommend having the tree inspected my a qualified Arborist.
You need to determine if these are carpenter ants, as they could damage the tree beyond repair.
https://hortnews.extension.iastate.edu/carpenter-ant [1]