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Species: G. lygdamus ... Subspecies See text. Glaucopsyche lygdamus, the silvery blue, is a small butterfly native to ... Its upperside is a light blue in males and a ...
The Menelaus blue morpho (Morpho menelaus) is one of thirty species of butterfly in the subfamily Morphinae. [1] Its wingspan is approximately 12 cm (4.7"), and its dorsal forewings and hindwings are a bright, iridescent blue edged with black, while the ventral surfaces are brown. [ 2 ]
Visual systems in butterflies are highly diverse and their color vision abilities have only begun to be explored. To see color, P. icarus uses a duplicated blue opsin in conjunction with its long-wavelength opsin LWRh. This enables the common blue to see color in the green part of the light spectrum extending up to 560 nm (2.2 × 10 −5 in).
The morpho butterflies comprise many species of Neotropical butterfly under the genus Morpho. This genus includes more than 29 accepted species and 147 accepted subspecies , found mostly in South America, Mexico , and Central America . [ 1 ]
The Palos Verdes blue (G. l. palosverdesensis) is a localized subspecies of the silvery blue (G. lygdamus), which ranges over much of North America.It was described in 1977, shortly before it became one of the second groups of butterflies to be listed under the US Endangered Species Act in 1980. [2]
Along with its wingspan, the Polyommatinae is a small butterfly. [2] There are only 38 total species within the Polyommatinae sub family, with only two being from Europe. [7] Most species of the Polyommatinae are found on the eastern side of the United States. [2] Male Polyommantinae blue butterflies possess a complex system of androconia.
Male P. argus have royal blue wings with a black border, white, wispy fringe, and metallic silver spots on the hindwings as well as spurs on their front legs. Females of this species are generally brown and more subdued in color, but also have the metallic spots on the hindwings. The undersides of the male and female butterflies are very similar.
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).