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Myscelia ethusa, the Mexican bluewing or blue wing, is a butterfly of the family Nymphalidae. The species was first described by Louis Michel François Doyère in 1840. It is found from Colombia north through Central America to Mexico. Strays can be found up to the lower Rio Grande Valley of Texas in the United States.
The length of the wings is 31–34 mm for males and 28–36 mm for females. Adults are on wing nearly year round. They are notable for the presence of blue pigments in their wings, as opposed to blue created by physical structures. The larvae feed on Alchornea costaricensis and Plukenetia volubilis.
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 ]
The length of the forewings reaches about 34–36 mm (1.3–1.4 in). The dorsal sides of the upper wings are bright blue with white transversal bands and white spots. The sapphire blue of the upper wings may appear black or neon blue depending on how the light is reflected.
Unlike virtually all other butterflies with blue coloration, the blue colors in this genus are due to pigmentation [pterobilin (biliverdin IXγ)] [2] rather than iridescence (e.g., Morpho species). Species
The butterfly flies from mid-May to September depending on the location. [3]Clarke 2022 lists Astragalus alpinus, Saxifraga aizoides and Saxifraga oppositifolia as larval food plants in the European part of its range for Agriades aquilo.
The lower wing surface is brown to pale brownish grey with a pattern of fawn bands and spots, [4] [6] with the body covered in white or grey hairs. The wingspans of females are slightly larger than males, females having a wingspan of 23 mm and males 20 mm. [ 5 ] Common grass blues have a weak, fluttering flight and so usually fly near ground ...
Agriades optilete, the cranberry blue, is a butterfly of the family Lycaenidae. It is found in north eastern Europe, the Alps, North Asia, Japan, Korea and north western North America. The length of the forewings is about 14 mm. The butterfly flies from June to August depending on the location.