Denver-Boulder Metro Area: Butterflies and Moths

This guide contains butterflies and moths that can be found in the Denver-Boulder Metro Area, including Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas, and Jefferson Counties.

Phoebus Apollo

Parnassius phoebus, known as the Phoebus Apollo or Small Apollo, is a butterfly species of the family of Swallowtail butterflies (Papilionidae) found in Eurasia and North America.

Rocky Mountain Parnassian

The Rocky Mountain Parnassian or Mountain Parnassian (Parnassius smintheus) is a high-altitude butterfly which is found in the U.S. and Canada. It is a member of the Snow Apollo genus Parnassius of the Swallowtail (Papilionidae) family.

Indra Swallowtail

Papilio indra, the Indra swallowtail, short-tailed black swallowtail, or cliff swallowtail, is a western North American butterfly in the family Papilionidae.

Black Swallowtail

The (Eastern) Black Swallowtail (Papilio polyxenes), also called the American Swallowtail or Parsnip Swallowtail, is a butterfly found throughout much of North America. It is the state butterfly of Oklahoma. An extremely similar-appearing species, Papilio joanae, occurs in the Ozark Mountains region, but it appears to be closely related to Papilio ...more ↓

Anise Swallowtail

The Anise Swallowtail, Papilio zelicaon, is a common swallowtail butterfly of western North America. Both the upper and lower sides of its wings are black, but the upper wing has a broad yellow stripe across it, which gives the butterfly an overall yellow appearance. There are striking blue spots on the rear edge of the rear wing, and the characteristic tails of the ...more ↓

Pale Swallowtail

Papilio eurymedon, the pale swallowtail or pallid swallowtail, is a relatively common swallowtail butterfly found throughout much of the western North America. It is found on the Pacific coast from northern Baja California to southernmost British Columbia and inland to New Mexico and the Black Hills of South Dakota. It is present from the coast to western Montana ...more ↓

Eastern Tiger Swallowtail

Papilio glaucus, the eastern tiger swallowtail, is a species of swallowtail butterfly native to eastern North America. It is one of the most familiar butterflies in the eastern United States, where it is common in many different habitats. It flies from spring to fall, during which it produces two to three broods. Adults feed on the nectar of many species of flowers, ...more ↓

Two-tailed Swallowtail

The Two-tailed Swallowtail (Papilio multicaudata) is a species of the Papilionidae family found in western North America from British Columbia to Central America.

Western Tiger Swallowtail

The Western Tiger Swallowtail (Papilio rutulus) is a common swallowtail butterfly of western North America, frequently seen in urban parks and gardens as well as in rural woodlands and riparian areas. It is a member of the Papilio genus, of which Papilio appalachiensis and Papilio xuthus are also members. It is a large, brightly colored and active butterfly, ...more ↓

Pipevine Swallowtail

Battus philenor, the pipevine swallowtail or blue swallowtail, is a swallowtail butterfly found in North America and Central America. This butterfly is black with iridescent-blue hindwings. They are found in many different habitats, but are most commonly found in forests. Caterpillars are often black or red, and feed on compatible plants of the genus ...more ↓

Edited by Colorado Parks and Wildlife, some rights reserved (CC BY-SA)