The butterfly appears to be a hybrid between two known tiger swallowtail species — P. glaucus and P. canadensis — but because ...
Visually, it bears similarities to the tiger swallowtail, but this butterfly is mainly black with distinctive yellow, orange, red, and blue markings on its wings. The black swallowtail can be ...
Here's how to identify an Eastern tiger swallowtail ... black parallel stripes at the top of each wing and a solid black stripe along base. Female Eastern swallowtails tend to have more blue ...