The common blue butterfly or European common blue is a butterfly in the family Lycaenidae and subfamily Polyommatinae. The butterfly is found throughout the Palearctic and has been introduced to North America. Butterflies in the Polyommatinae are collectively called blues, from the coloring of the wings. Common blue males usually have wings that are blue above with a black-brown border and a white fringe. The females are usually brown above with a blue dusting and orange spots.
The chalkhill blue is a butterfly in the family Lycaenidae. It is a small butterfly that can be found throughout the Palearctic realm, where it occurs primarily in grasslands rich in chalk. Males have a pale blue colour, while females are brown. Both have chequered fringes around their wings.
Cyaniris semiargus, the Mazarine blue, is a Palearctic butterfly in the family Lycaenidae.
Polyommatus is a genus of butterflies in the family Lycaenidae. Its species are found in the Palearctic realm.
Polyommatus eros, the Eros blue or common meadow blue, is a species of blue butterfly found in the Palearctic.
Plebejus argyrognomon, common name Reverdin's blue is a butterfly of the family Lycaenidae. The species is named after Jacques-Louis Reverdin.
Polyommatus damon, the Damon blue, is a butterfly of the family Lycaenidae.
Polyommatus dolus, the furry blue, is a butterfly of the family Lycaenidae. It is found in Spain, in France and Italy.
Ripart's anomalous blue is a butterfly in the family Lycaenidae.
Aricia morronensis, the Spanish argus, is a butterfly of the family Lycaenidae. It is found in Spain and Hautes-Pyrénées (France).
Polyommatus (Agrodiaetus) fulgens is a species of butterfly in the family Lycaenidae. It is found in the north and north-east of Spain.
Pseudochazara williamsi, the nevada grayling, is a species of butterfly in the family Nymphalidae. It is confined to the southern Spain (endemic).
Polyommatus actinides is a butterfly of the family Lycaenidae. It was described by Otto Staudinger in 1886. It is found in central Asia.
Polyommatus admetus, the anomalous blue, is a butterfly of the family Lycaenidae. It was described by Eugenius Johann Christoph Esper in 1783. It is found in south-eastern Europe and Turkey.
Polyommatus (Plebicula) sagratrox, the Sierra de la Sagra blue, is a species of butterfly in the family Lycaenidae. It is endemic to Spain in the south-east of the Iberian Peninsula.
Polyommatus golgus, the Sierra Nevada blue, is a species of butterfly in the family Lycaenidae. It is endemic to Spain with habitat in the Sierra Nevada in Andalusia, and is an endangered species.
Polyommatus damon meinsii, the meinsii, is a butterfly subspecies of Polyommatus damon in the family Lycaenidae. It was discovered in 1971 by the German engineer Horst Meins Rugenstein and Dr. Miguel R. Gomez-Bustillo, who published it in Mariposas de la Peninsula Ibérica, Ropaloceros (II) in 1974.
Polyommatus (Agrodiaetus) ninae, or Nina's blue, is a butterfly of the family Lycaenidae described by Walter Forster in 1956. It is found in Armenia, Azerbaijan, Georgia, eastern Turkey, and northern Iran (Kurdistan).
Polyommatus nephohiptamenos, or Higgins's anomalous blue, is a butterfly of the family Lycaenidae described by J. Brown and John G. Coutsis in 1978. It has an IUCN Red List status of near threatened.
