"Unlike their gaudy day-flying cousins, moths seem to reside in the shadows as denizens of the night, circling around street lights or caught momentarily in the glare of car headlights on a country lane. There are, however, many more species of day-flying moths than there are of butterflies, and as for colours and patterns, many moths rival or even exceed butterflies in the dazzling range of their markings. The study of moths formed an integral part...