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.
Southern Dogface
The Southern Dogface, Colias cesonia, is a North American butterfly in the family Pieridae, subfamily Coliadinae (until recently the species was sometimes placed in the related genus Colias instead of Zerenia).
Little Yellow
The Little Yellow, Little Sulphur, or Little Sulfur (Eurema lisa) is a species of Coliadinae that occurs in Central America and the southern part of North America.
Lyside Sulphur
Kricogonia lyside, commonly known as the Lyside Sulphur or Guayacan Sulphur, is a North and South American butterfly in the family Pieridae. In seasons with heavy monsoons, this butterfly is seen in massive migrations which are frequent in Texas but more rare in the southwest. It is also an occasional resident in southern Florida.
Cloudless Sulphur
The Cloudless Sulphur or Cloudless Giant Sulphur (Phoebis sennae) is a midsized butterfly in the family Pieridae found in the New World. There are several similar species such as the Yellow Angled-sulphur (Anteos maerula), which has angled wings, or other sulphurs, which are much smaller.
Mexican Yellow
The Mexican Yellow (Eurema mexicana, sometimes called the Wolf-Face Sulphur) is a North and South American butterfly in the family Pieridae. It occurs mainly in Mexico but occasionally is found in central and southwestern USA and rarely in Canada.
Dainty Sulphur
The Dainty Sulphur or Dwarf Yellow (Nathalis iole) is a North American butterfly in the family Pieridae.
Queen Alexandra’s Sulphur
The Queen Alexandra's Sulphur, Alexandra Sulphur, or Ultraviolet Sulfur (Colias alexandra) is a butterfly in the family Pieridae found in western North America. Its range includes Alaska to the Northwest Territories and south to Arizona and New Mexico.
Orange Sulphur
The Orange Sulphur (Colias eurytheme), also known as the Alfalfa Butterfly and in its larval stage as Alfalfa Caterpillar, is a butterfly of the family Pieridae, where it belongs to the lowland group of "clouded yellows and sulphurs" subfamily Coliadinae. It is found throughout North America from southern Canada to Mexico, but is absent from the central and ...more ↓
Mead's Sulphur
The Mead's Sulphur (Colias meadii) is a butterfly in the family Pieridae found in North America. Its range includes the Rocky Mountains in Canada and the USA.
Clouded Sulphur
The Common or Clouded Sulphur (Colias philodice) is a North American butterfly in the family Pieridae, subfamily Coliadinae.
Scudder's Sulphur
Colias scudderii, the Willow Sulphur, is a butterfly in the Pieridae family. It is found from Alaska south through the Rocky Mountains to northern New Mexico. The habitat consists of mountain meadows and willow bogs.
Sleepy Orange
The Sleepy Orange (Eurema nicippe) is a North American butterfly in the family Pieridae.
Julia Orangetip
Anthocharis julia, the southern Rocky Mountain orangetip, is a butterfly found in the southern Rocky Mountains on the eastern side of the range.
Large Marble
Large Marble or Creamy Marblewing (Euchloe ausonides) is a species of butterfly that occurs in North America.
Olympia Marble
Euchloe olympia, the Olympia marble, is a butterfly in the Pieridae family. Its range is southern Canada and the midwest, down into the southwestern United States.
Pine White
The Pine White (Neophasia menapia) is a butterfly in the family Pieridae. It is found in western USA and in southern British Columbia.
Margined White
The Margined White (Pieris marginalis) is a butterfly found in the Yukon, Western Canada and the Rocky Mountains of North America.
Cabbage White
The Small White (Pieris rapae) is a small- to medium-sized butterfly species of the Yellows-and-Whites family Pieridae. It is also known as the Small Cabbage White and in New Zealand, simply as White Butterfly. The names "Cabbage Butterfly" and "Cabbage White" can also refer to the Large White.
Western White
The Western White (Pontia occidentalis) is a butterfly in the family Pieridae. It is found in Western North America.
Checkered White
The Checkered White (Pontia protodice), also called Southern Cabbage Butterfly, is a common North American butterfly in the family Pieridae. Its green larva is a type of cabbage worm.
Spring White
The Spring White, California White, or Colorado White (Pontia sisymbrii) is a butterfly in the family Pieridae. It is found in mountainous areas of western Canada and the USA.
