Below are links to pages than illustrate butterflies in many of the sub-families of this class of insect. There is still debate over the exact number of butterfly sub-families, but current thinking suggests that there are around 20 within the seven overall families.
Family Papilionadae (Swallowtails) Click below for the sub-families
Family Hesperidae (Skippers) Click below for the sub-families
Family Nymphalidae (Brush-footed or four-footed butterflies) Click below for the sub-families
Family Lycaenidae (Blues, Coppers and Hairstreaks) Click below for the sub-families
Pieridae (Whites and allies) Click below for the sub-families