My growbags are full of them, they are crawling all over my lettuces and spinach... the spinach seems fine but lettuces are covered in small holes (smaller than if slugs/snails had made them). Could these holes have been eaten by the ants?
I think the nest may be in the growbag with tomatoes in. The tomato plants seem to be doing fine but they are covered in greenfly. As far as I know, ants don't eat greenfly but 'farm' them as they like to eat the sugary liquid that they produce called honeydew. Perhaps they do eat some kinds, or might move them from plant to plant. But I don't think they're doing my garden any good, especially the lettuces I was looking forward to eating!
I will try the cornmeal thing, as I have some that has been in the cupboard for ages! Will start on it today and let you know how it goes...
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