The GUARDIAN reports long-running survey finds 1976 heatwave boom has been followed by dropping numbers. Moths are declining in abundance by 10% each decade in Britain but the average weight of moths caught in traps is still double what it was in 1967, according to a new study.

Researchers studying the biomass of moths caught in the world’s longest-running insect survey said their findings suggested that if there had been an “insect armageddon” in Britain, it had occurred before scientific recording began in 1967.