British Entomological and Natural History Society

'Founded in 1872 as the South London Entomological and Natural History Society and since its inception has always included amongst its members many of the leading entomologists of the day. Over the years the membership of the Society has increased to include not only residents of the London area but entomologists living all over the British Isles and overseas ... Indoor Meetings are held at various locations and include lectures and discussions on a wide range of natural history subjects ... Field Meetings are usually held during weekends from late April to October.'