Fill your herb garden with black swallowtail butterflies. Learn what the caterpillar, eggs and adult butterflies look like.

Flitting among the cool slopes of the Appalachian Mountains is a tiger swallowtail butterfly species that evolved when two other species of swallowtails hybridized long ago, a rarity in the animal ...

Every butterfly gardener delights when showy swallowtail butterflies make an appearance. These butterflies are some of the largest in the garden, and their colorful wings and soaring flight patterns ...

Exclusive: one of Britain’s rarest butterflies, found only in Norfolk Broads, critically threatened by climate crisis The swallowtail, one of Britain’s rarest butterflies and also the largest, has ...

Michigan is one of the only states in the country without an official state insect, but that could soon change. The black swallowtail butterfly, scientifically known as the papilio polyxenes, would be ...

A species of swallowtail butterfly found in Australasia holds the record for having the largest number of different vision cells in its eyes for any insect, scientists say. Different classes of ...

A spectacular new butterfly species has been discovered on the Pacific Island of Vanua Levu in Fiji. The species, named last week as Papilio natewa after the Natewa Peninsula where it was found, is a ...

About 170 butterfly species occur in North Carolina as permanent residents, regular visitors, or rare strays. Some of these are restricted to either the coastal or mountain regions. I'd estimate that ...