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.
Lycaena ottomanus is a species of butterfly in the family Lycaenidae. It is found in Albania, Bosnia and Herzegovina, Bulgaria, Greece, Hungary, North Macedonia, Serbia and Montenegro, and Turkey. Its natural habitats are temperate forests and temperate shrubland. It is threatened by habitat loss.
The dusky large blue is a species of butterfly in the family Lycaenidae. It is found in Armenia, Austria, Azerbaijan, Belarus, Bulgaria, Czech Republic, France, Georgia, Germany, Hungary, Kazakhstan, Moldova, Montenegro, the Netherlands, Poland, Romania, Russia, Slovenia, Spain, Switzerland, and Ukraine.
The Raetzer's ringlet is a species of butterfly in the family Nymphalidae. It is found in Italy and Switzerland. Its natural habitat is temperate grassland. It is one of the rarest European butterflies, having not more than six or seven populations.
Erebia epistygne, the spring ringlet, is a species of butterfly in the family Nymphalidae. It is found in France and Spain. Its natural habitat is temperate grassland.
Hipparchia azorina, the Azores grayling, is a species of butterfly in the family Nymphalidae. It is endemic to the Azores. Its natural habitats are temperate forests and temperate grassland. It is threatened by habitat loss.
Hipparchia maderensis, the Madeiran grayling, is a species of butterfly in the family Nymphalidae. It is endemic to Madeira. Its natural habitat is temperate forests. Seitz treats it as a race of Hipparchia semele - in maderensis Baker, from Madeira the upperside in both sexes is strongly obscured and in the male almost without any markings.
Parides ascanius, the Fluminense swallowtail, is a species of butterfly in the family Papilionidae. It is endemic to Brazil where it is confined to the municipalities of Atafona and Itaguaí.
Parides vercingetorix is a species of butterfly in the family Papilionidae. It is endemic to French Guiana. Formerly, this species was known as Parides coelus and originally described as Papilio coelus by Jean Baptiste Boisduval in 1836, but that name was already used in 1781 by Stoll for the butterfly now known as Aguna coelus. Consequently, the Parides species had to receive a new name.
Parides pizarro is a species of butterfly in the family Papilionidae. It is found in Colombia, Brazil, Bolivia and Peru.
Melanargia lachesis, the Iberian marbled white, is a butterfly species belonging to the family Nymphalidae.
Lysandra albicans, the Spanish chalk-hill blue, is a butterfly of the family Lycaenidae. It is found in Spain and Western North Africa.
Melanargia arge, the Italian marbled white, is a butterfly of the family Nymphalidae. M. arge Sulz.. Above white, only the submarginal lunate line, the two short bands in the centre and at the apex of the cell, and the beautifully blue-centred ocelli being dark — ab. caeca Stgr. is without ocelli; rare among the preceding. It is an endemic species found only in the southern half of Italy and the eastern half of the Italian island of Sicily. It flies in May and June in a single generation in rocky places with abundant flowers. The caterpillar feeds on grasses.
Euryades corethrus is a species of butterfly from the family Papilionidae that is found in Brazil, Paraguay, Uruguay, and Argentina.
Leptotes webbianus, the Canary blue, is a butterfly in the family Lycaenidae. It is endemic to the Canary Islands.
Kretania pylaon, the zephyr blue, is a butterfly in the family Lycaenidae. It is found in southern Russia and the Middle East to Iran. The habitat consists of dry habitats.
Mimoides protodamas is a species of butterfly in the family Papilionidae. The common name is false polysticto, with reference to the similarity of this species with Battus polystictus.
Agriades pyrenaicus, the Gavarnie blue, is a Palearctic butterfly of the family Lycaenidae. It is found in the Asturias mountains of north-western Spain, the Pyrenees, the southern Balkan Peninsula, Turkey, the Caucasus and Armenia. The habitat consists of alpine grassy rocky meadows where it is found at altitudes ranging from 1,500 to 2,200 meters.
Kretania sephirus, previously known as Plebejus sephirus, is a species of butterfly that belongs to the family Lycaenidae. It is found in Eastern Europe, the Caucasus, and Asia Minor. The species is part of a species complex, with many members of the complex using variations of the name zephyr blue, including pylaon, trappi, and hesperica. The species, which previously belonged to the genus Plebejus, was moved to the genus Kretania following a 2013 molecular phylogenetics study of the subtribe Polyommatina. Many sephirus populations are threatened, and are legally protected in some countries, such as Hungary.
