Mature Maple Tree & lrg black ants - Knowledgebase Question

Livonia, Mi
Question by kj_in_mi
May 24, 2009
I see large blank ants moving up & down my maple tree. Are they hurting it? If yes, what can I do to rid my tree of them? Regards, Karen

Answer from NGA
May 24, 2009


The large black ants may be carpenter ants so further inspection is highly recommended. They can nest in dead wood so you may find colonies beneath the bark, tunnelling through the wood in the trunk or limbs of your tree.

Here's a publication from Michigan State University to help you identify the ants and some suggestions on control:

For more information visit:

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