Colias croceus, clouded yellow, is a small butterfly of the family Pieridae, the yellows and whites.
Colias hyale, the pale clouded yellow, is a butterfly of the family Pieridae, which is found in most of Europe and large parts of the Palearctic. It is a rare migrant to the British Isles and Scandinavia. The adult wingspan is 52–62 millimetres (2.0–2.4 in).
Colias alfacariensis, Berger's clouded yellow, is a butterfly of the family Pieridae. It was separated from the pale clouded yellow, C. hyale, in 1905. Berger's clouded yellow is a Palearctic species (South and Central Europe, South Russia, Russian Far East, Siberia Central Asia and temperate China also Asia Minor, Caucasus and Transcaucasia.
Colias chrysotheme, the lesser clouded yellow, is a small Palearctic butterfly belonging to the family Pieridae.
Colias is a genus of butterflies in the family Pieridae. They are often called clouded yellows in the Palearctic and sulphurs in North America. The closest living relative is the genus Zerene, which is sometimes included in Colias.
Colias philodice, the common sulphur or clouded sulphur, is a North American butterfly in the family Pieridae, subfamily Coliadinae.
Colias aurorina, the Greek clouded butterfly or dawn clouded yellow, is a butterfly in the family Pieridae. It is found in Central Greece, the Near East and the Caucasus area. It is rare in former Yugoslavia.
Colias phicomone, the mountain clouded yellow, is a butterfly in the family Pieridae. It is found in the Cantabrian Mountains, the Pyrenees, the Carpathian Mountains and the Alps. It flies at altitudes of 900 to 2800 meters.
Colias myrmidone, the Danube clouded yellow, is a butterfly in the family Pieridae.
Colias erate, commonly known as the eastern pale clouded yellow, is a species of butterfly in the family Pieridae. It is found from south-eastern Europe, through Turkey over central Asia up to Japan and Taiwan. To the south, its range stretches to Somalia and Ethiopia. The species was first described by Eugenius Johann Christoph Esper in 1805.
Boloria pales, the shepherd's fritillary, is a butterfly of the family Nymphalidae. It is found from the Cantabrian Mountains and the Pyrenees through the Alps and Apennine Mountains east to the Balkan, Carpathian Mountains, the Caucasus and central Asia up to western China.
The twin-spot fritillary is a butterfly in the family Nymphalidae.
Colias alexandra, the Queen Alexandra's sulphur, Alexandra sulphur, or ultraviolet sulfur, 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.
Colias caucasica balcanica is a butterfly in the family Pieridae. It is the European subspecies of Colias caucasica. It is found in Bosnia and Herzegovina, Bulgaria, Serbia, Montenegro, North Macedonia and Greece. It used to be considered a distinct species.
Colias viluiensis, is a butterfly in the family Pieridae. It is found in Transbaikalia.
Colias fieldii, the dark clouded yellow, is a butterfly in the family Pieridae. It is found in southern Iran, India, southern China, Indochina, and Ussuri.
Colias heos is a butterfly in the family Pieridae. It is found in the East Palearctic.
Colias lesbia is a butterfly in the family Pieridae. It is found in the Neotropical realm.
Colias romanovi is a butterfly in the family Pieridae. It is found in the eastern Palearctic realm.
