Country diary: the emperor moth homes in on a potential mate; Allendale, Northumberland: Less than a minute from setting out the lure, there's a rustling like crumpled dry paper and a blur of wings

Byline: Susie White The sun-warmed heather of Dryburn Moor stretches away, rust-coloured and hummocky, to a soft horizon of uplands, woods and fields. There's little breeze and clouds barely move [...]