Under the scientific classification of insects, butterflies and moths fall under the order Lepidoptera. From here, they split off into many families including the following found in the park.
See the Rocky Mountain National Park Documented Butterfly List for distinct species that fall under these families. Visit the IRMA Portal NPSpecies web page for updates on the park's working species list.
Hesperiidae (Skipper Family)
Papilionidae (Swallowtail Family)
Pieridae (White and Sulphur Family)
Lycaenidae (Gossamer Wing Family)
Nymphalidae (Brushfoot Family)
(text by S. Mason)