Whilst blue might be a favourite colour of us humans – a YouGov poll lists blue as the favourite colour for almost every country on earth. View the original article.

Plants however like blue light as it has more energy than any other light in the visible spectrum. Blue on any animal (including humans' blue eyes) is due to some kind of light reflection of this type. Most other species get their blue coloration from a process called coherent scattering, in which scattered light waves interfere to create a blue color. All butterfly specimens for sale are farm raised butterflies from around the world that died from natural causes. Artists hankered after blue (e.g. For animals, eye-popping blue colours, in anything from butterflies to frogs to parrots, is useful for getting attention – either good – attracting a mate (like the dance of the courting birds of paradise) or bad –  warning off predators (poison dart frog). We like blue, but it was a difficult colour to obtain until relatively recently when  synthetic dyes allowed any colour to be made. The larvae feed on Alchornea costaricensis and Plukenetia volubilis. So why is that? Adults of subspecies obrinus are on wing in January and from July to November. Sea of blue nemophila plantsImage by Pixabay.

Pigments appear the colour of the light they don’t absorb, but instead reflect. So, if it’s so difficult to be blue, why bother - well we all like to be different don’t we? If the scales were shaped differently, the blue colour would vanish. The obrina olivewing butterfly is the only known animal to produce a true blue pigment Notafly (CC BY-SA 3.0) Why bother? So, if you have blue leaves you are reflecting the highest energy light and relegating yourself to using only poorer quality light that ultimately limits your growth.

Today blue flowers are still highly prized, and many have been trying to grow and breed the perfect blue bloom. For plants, blue is achieved by mixing naturally occurring pigments, very much as an artist would mix colours. Blue is a very prominent colour on earth. They are notable for the presence of blue pigments in their wings, as opposed to blue created by physical structures.

Although blue flowers are rare in plants, almost no plant has blue leaves – except a handful of plants found on the floor of tropical rainforests. It is found from Mexico to Panama, Ecuador, Venezuela and Colombia. Not a good strategy and so why most plants avoid it. Butterfly Dragon Butterfly Art Monarch Butterfly Butterfly Template Beautiful Bugs Beautiful Butterflies Animal Photography Reptiles Mammals Lasaia agesilas, Black-patched Bluemark, 2014 Oct 24, nr Apuya, Napo, Ecuador, JGlassberg - 1693 Revision of Nessaea, https://en.wikipedia.org/w/index.php?title=Nessaea_aglaura&oldid=846469791, Creative Commons Attribution-ShareAlike License, This page was last edited on 18 June 2018, at 23:45. It is found in evergreen tropical forest and in semi-deciduous tropical forest.

[3] All the other species of Nessaea get their blue coloration from the pigment pterobilin. The most commonly used are the red pigments, called anthocyanins, and whose appearance can be changed by varying acidity. Instead of pigment mixing or alteration, blue is achieved in many animals by making structures that change the wavelength of light. Blue will continue to remain a rarity in nature. Nessaea aglaura, the common olivewing,[2] northern nessaea or Aglaura olivewing, is a species of butterfly of the family Nymphalidae. Blue birds, such as the blue jay, get their colour through a similar, but slightly different process. These alterations, combined with reflected light, can create some spectacular results: delphinums, plumbago, bluebells, hydrangeas, dayflowers, morning glories and cornflowers. It is found from Colombia and the Guianas to the mouth of the Amazon and south

Less than 1 in 10 plants have blue flowers and far fewer animals are blue. The main reason for this has to do with the physics of light. SA 5005 AUSTRALIA, Future student enquiriesCurrent student enquiriesWebsite feedback, Open Day: Biomedical Science & Biotechnology, Honours in Science - Expression of Interest. If the wing scales of the Blue morpho butterfly were shaped differently their blue colour would vanish.Charles Patrick Ewing (CC BY 2.0). Revision of Nessaea", "The coloration, identification and phylogeny of, "Chapter number 1 How Nature produces blue color", https://en.wikipedia.org/w/index.php?title=Nessaea_obrinus&oldid=907914342, Creative Commons Attribution-ShareAlike License, This page was last edited on 26 July 2019, at 04:39. Animals have a much harder time turning blue. Each feather is made up of light-scattering, microscopic beads spaced in a way that every wavelength of light is cancelled out except blue – think noise cancelling headphones here. Click on the links or butterfly For example, the blue morpho butterfly gets its colour from the fact that its wing scales are shaped in ridges that causes light to bend in such a way that the only wavelength of light it reflects is blue. The Obrina Olivewing is a species of butterfly of the Nymphalidae family. The obrina olivewing butterfly is the only known animal to produce a true blue pigmentNotafly (CC BY-SA 3.0).

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