Scotsman: PESTS and diseases are set to spread through Scotland’s forests as a result of climate change, with potentially devastating impacts, a report has warned. Diseases likely to take greater hold in the trees in Scotland’s woodlands include a needle blight that attacks about 60 species of pine. In order to tackle it, Forestry Commission Scotland (FCS) has banned planting of Corsican pine, and has warneADVERTISEMENTd a moratorium might be needed on other species. And a moth called …