The Gaint Swallowtail with a wingspan of up to 7 inches is the largest butterfly in North America. The Giant and other Swallowtail species are in the Papilionidae Family. To help identify additional large butterflies with a wingspan of 3/4″ – 7″, photos are included in the identification chart below.
ID Guide: Large Butterfly Wingspan By Photos
View the photos below to identify over 15 large butterflies in North America. Click on any butterfly image to see additional photos of the butterfly along with pictures of their eggs, caterpillars, chrysalis, and flight range map.