Home » Florida Photographic Butterfly Guide » Swallowtails and Parnassians » Western Tiger Swallowtail
This is the western version of the Eastern Tiger.  A single tail and yellow in nature separated from the Eastern Tiger by the underside of the forewing by the vertical line at the edge being not solid, being more dual toned. These images were taken in UT and the Western Tiger is seen mixed in with Pale Swallowtails. They are the Yellow colored Swallowtails.