Butterflies and Moths of the Outer Hebrides describes and illustrates over 350 species, of the 558 species on the Outer Hebrides Lepidoptera systematic list, which have been recorded and photographed by Chris Johnson and John Kemp since 2009. Other species included on the checklist are listed on the website, and descriptions and photographs will be added over time.
Fourteen species of butterfly are regularly recorded on the islands: Large White, Small White, Green-veined White, Common Blue, Red Admiral, Painted Lady, Small Tortoiseshell, Peacock, Dark Green Fritillary, Grayling, Meadow Brown, Small Heath and Large Heath. Speckled Wood has been recorded on Lewis since 2004, the Ringlet on South Uist since 2008 and the Orange-tip on Lewis in 2014. There are rare occurrences of the Clouded Yellow (migrant from southern Europe) and there have been two records of the Monarch (North American migrant species).
The accounts of individual species can be accessed through the A-Z lists of scientific and common names, by using the search box or systematic checklist. There is a separate list for butterflies.