Tiger Swallowtail Dark Form - Some female tiger swallowtails are all. Yellow and black or dark form: Web if you see a black butterfly flitting around a tulip, magnolia, wild cherry, or willow tree, chances are, it’s a dark form. That’s one in the photo. Web one example is the dark morph of the female eastern tiger swallowtail (papilio glaucus).
That’s one in the photo. Web if you see a black butterfly flitting around a tulip, magnolia, wild cherry, or willow tree, chances are, it’s a dark form. Yellow and black or dark form: Web one example is the dark morph of the female eastern tiger swallowtail (papilio glaucus). Some female tiger swallowtails are all.