Aphid Update

Five days after spraying with the tomato leaf infusion and the aphids are still there. However, they have not moved and I suspect dead. No ants visible.

I'm using and old window cleaner bottle which does not have enough strength to wash the aphids off. Tried to buy a better one on the way up but no luck.

Only the leaf lettuce affected and it is a very healthy plant so I think the problem is under control.

Aphids

This is what happens when you plant lettuces out of their natural habitat!

Unfortunately I could not get a picture of the herding ants - they retreated as soon as I moved the lettuce leafs. This is a fascinating story where ants herd aphids onto a leaf and then secrete chemicals that subdue the aphids and inhibit wing growth. The aphids eat the leaf and the ants eat the aphid's secretions that are a rich food. The aphids benefit as the ants fight off lady bugs and other predators.

My own response was to collect tomato leaves (suckers) and chop finely, soak in water overnight and then spray on the aphids. Will it work?