The Eastern Tiger Swallowtail butterfly is one of our most common butterflies and is found east of the Mississippi River and west into the Great Plains states. They are easy to spot due to their size.

The Eastern tiger swallowtail (Pterourus glaucus) and the Canadian tiger swallowtail (Pterourus canadensis), are both large, striking, yellow and black butterflies.

A new species of tiger swallowtail butterfly that emerges around the summer solstice was found from cryptic specimens in the Northeast.

An Eastern Tiger Swallowtail butterfly, also known as Papilio glaucus Linnaeus, alights upon a lantana bush still in bloom in September. The males have this tiger coloration, and some females are ...

This species’ males can be easily identified as they are colored bright yellow with four black tiger-like stripes on the forewing. An Eastern tiger swallowtail butterfly, South Carolina’s ...

An Eastern Tiger Swallowtail butterfly, also known as Papilio glaucus Linnaeus, alights upon a lantana bush still in bloom in September. The males have this tiger coloration, and some females are ...

These butterflies choose to make their habitats in deciduous broadleaf woods, forest edges, river valleys, parks, and suburbs. As for reproduction, a female tiger swallowtail lays up to 250 eggs ...

This is exactly what has happened with Papilio solstitius, a tiger swallowtail butterfly newly ... There are close to 560 different species of swallowtail butterflies, and they all have ...

The butterfly appears to be a hybrid between two known tiger swallowtail species — P. glaucus and P. canadensis — but because it lives in a range where neither of these species are present ...

The butterfly appears to be a hybrid between two known tiger swallowtail species — P. glaucus and P. canadensis — but because it lives in a range where neither of these species are present ...

A new species of tiger swallowtail butterfly that emerges around the summer solstice was found from cryptic specimens in the Northeast. ... they’ve identified the butterfly as a new “cryptic ...