Identification books and more information; the following are the most commonly used identification guides for larger moths in Britain and Ireland


British moths and butterflies: a photographic guide. Chris Manley, 2008. Photographs of all macro-moths, butterflies and many micro-moths and caterpillars in natural postures plus concise field notes. A & C Black.

Colour identification guide to the moths of the British Isles. Bernard Skinner, 2009. Photographs of all macro-moths in 'set' (pinned) postures plus detailed field notes. Apollo Books.

Concise guide to the moths of Great Britain and Ireland. Martin Townsend & Paul Waring, 2007. Illustrations of all macro-moths in natural resting postures plus concise field notes. British Wildlife Publishing.

Field guide to the moths of Great Britain and Ireland. Paul Waring & Martin Townsend, 2009. Illustrations of all macro-moths in natural resting postures plus detailed field notes. British Wildlife Publishing.

For larger moths that are more difficult to identify


British and Irish moths: an illustrated guide to selected difficult species. Martin Townsend, Jon Clifton & Brian Goodey, 2010. Information and photographs of 72 difficult to identify macro-moths, which often require close examination or genitalia determination. Butterfly Conservation.


And for caterpillars:


Caterpillars of the British Isles, Jim Porter, 1997. Photographs of all macro-moth and butterfly caterpillars plus detailed field notes. Viking.

 

Other sources of information: in addition to more specialised books, there are some useful sources of further information on moth identification on the internet, such as: