Cirrus@Austlit

'High in the Rockies a mysterious disease breaks out threatening the world's forests.

'Matthew Dilke and his miniaturized agents - including the delectable Hyacinth - are sent to investigate. And in the branches of a soaring pine they find their enemy - and face the awesome power of the warrior ants he controls.'

Source: Goodreads.

In the 27th century, African countries are on the brink of nuclear war with South America. A group of African explorers travel to the barely remembered British Isles–devastated centuries before in a nuclear war–to track down any remaining signs of civilisation among the chaos.