Get the stories that matter to you sent straight to your inbox with our daily newsletter.A butterfly, which depends on oak trees for its survival, has been recorded in South Lanarkshire for the first time since 1845.The purple Hairstreak, a small butterfly with tell-tale purple colouring on their black upper wings, seems to be increasing in distribution.Mostly found in England and Wales, there has been a recent increase in sightings across parts of Scotland and the first recording to be made in