Telegraph: Britain’s dragonflies are on the move from a twin threat posed by habitat loss and climate change. The survival of some species is in doubt mainly because they have been ousted from their traditional haunts by human activity. The British Dragonfly Society (BDS) says 36 per cent of the 39 dragonfly species are in decline. And three species – Dainty damselfly, Norfolk damselfly and Orange spotted emerald – have disappeared altogether in the past 50 years. Increasing …