Scotsman: Exotic butterflies and moths from the Continent have begun to colonise Britain and more northerly climes as a result of the warmer than usual summer.
Increasing numbers of the rare migrants are believed to have been drawn to the UK by the summer heat and milder than usual autumn.
The European long-tailed blue butterfly has established itself in sites along Englands south coast, while conservation experts are excited by sightings of vestal moths (Rhodometra sacraria) north of the Border.
Richard...