There is a lot of talk about the ‘insect apocalypse’ – in other words the rapid collapse in numbers and species of insect living in our world, driven by humans.

Of all our butterflies, one group immediately springs to mind when we think of hot summer days. On a south-facing downland slope, bright blue butterflies skip and chase across the hillside.

Despite continued warm nights the number of moths coming to the trap are actually declining, I suspect it might have got too warm and especially dry for many moths to cope with. This does not mean…