Black medium size ants climb up and down trees. They seem like they are making little small perforations. I am seeing some areas the tree are "bleeding". I do not know where the ants are coming from. I cannot see source of them. Please help!
How to Get Rid of Ants Over Trees
Certified GKH Gardening Expert
The following articles should be of some help to you: https://www.gardeningknowhow.com/plant-problems/pests/keeping-ants-of-flowering-vines-vegetables-and-flowers.htm