As a result of the find the government's conservation advisers are considering whether parts of the route should be designated a special area of conservation.
And The Independent reports (p7) that an ant - Fornica Rufa - had helped cause six years delay in restoring the crumbling A470 in Wales.
The red ant is rare in Wales but not in England. Agreement has now been reached on the least destructive way of carrying out the work. Powys CC, on behalf of the Welsh Office, has taken advice from an invertebrate ecologist at the Countryside Council for Wales, says the paper.