Cherry tree- aphids & carpenter ants
Every year my cherry tree is plagued with- what I think is- aphids.
They are small black insects that make the leaves curl and usually the cherries rot and fall off. I try spraying and I usually cut off the affected areas but I get them year after year.
There are a number of carpenter ants also.
Do they have a symbiotic relationship? I have heard of ants and aphids but am not sure of carpenter ants. I was wondering if I got rid of the carpenter ants maybe natural predators like ladybugs might help remove them.
Are there any sprays that would be effective?
Has anyone had this problem?