Killer aphid

These are leaves inhabited by a colony of aphids. If there are many such leaves, the tree dies. Fortunately, this cherry is very large. Therefore, a colony of aphids cannot kill the tree. Ants raise aphids. This is done by the ants from the anthill we spied on. Remember? Now we know where these ants are running!

And this is a video of that same anthill
Video: "Spying on ants"
https://rumble.com/v4of9dx-spying-on-ants.html