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The common blue butterfly or European common blue [3] (Polyommatus icarus) 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.
Glaucopsyche lygdamus, the silvery blue, is a small butterfly native to North America. ... Its upperside is a light blue in males and a dull grayish blue in females ...
The blue copper, also known as Lycaena heteronea, is an American butterfly that belongs to the gossamer-winged family. The butterfly is named so because of the bright blue hue of the upper side of the males' wings. Females are brown on their upper side. Both sexes are white with black spots on the underside of the wings.
The large blue (Phengaris arion) is a species of butterfly in the family Lycaenidae. The species was first defined in 1758 and first recorded in Britain in 1795. [ 2 ] In 1979 the species became mostly extinct in Britain but has been successfully reintroduced with new conservation methods. [ 3 ]
The Palos Verdes blue butterfly has a wingspan of only 25–30 mm (0.98–1.18 in). The male has a bright silvery-blue dorsal wing outlined in a narrow line of black, while the female's dorsal wing is a more brownish-gray colour. Both males and females have gray ventral wings with dark spots surrounded by white rings. [5]
Phengaris alcon, the Alcon blue or Alcon large blue, is a butterfly of the family Lycaenidae and is found in Europe and across the Palearctic to Siberia and Mongolia. Seitz 83a Description from Seitz
The brilliant blue color in the butterfly's wings is caused by the diffraction of the light from millions of tiny scales on its wings. It uses this to frighten away predators, by flashing its wings rapidly. The wingspan of the blue morpho butterfly ranges from 7.5–20 cm (3.0–7.9 in).
Male Polyommantinae blue butterflies possess a complex system of androconia. Androconia refers to the scent scales on the butterflies' wings that attract mates. Along with these scent scales, the complexity of how the nanoarchitectures interact with white light is very important to support their formation and rigorous reproduction in subsequent ...