A long while ago we had a discussion where I reckoned I had ants in my
garden that farmed a fungus. Well yesterday I put a spade through what
looks to me like a perfect example of their action. Small 5cm x 5cm x
1cm chambers with a white mushroomy smelling fungus uniformly coating
the walls. Unfortunately the ants are long gone now wherever they go.

However, I now know exactly where to dig next year and hope to catch
them in the act. Unfortunately I was digging quite vigorously and didn't
spot it in time to avoid messing it up, but pieces of the white fungal
carpet were obvious as I smashed up the soil.

I will go back and try to catch them in the act next year.

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Regards,
Martin Brown