The report on The State of Britain’s Larger Moths 2021 is now available from Butterfly Conservation (link below). It  summarises current knowledge of the state of Britain’s c.900 species of larger moths, presenting analyses of long-term change based on millions of records gathered through the Rothamsted Insect Survey (RIS) and National Moth Recording Scheme (NMRS).

https://butterfly-conservation.org/moths/the-state-of-britains-moths