Goliathus Posted July 8, 2020 Report Posted July 8, 2020 Here's an interesting optical effect caused by structural coloration (rather than being due to pigment) - depending upon the viewing angle and lighting, this species of Morpho butterfly (Morpho eugenia) can appear either sky blue, or bright silver - Quote
Goliathus Posted July 10, 2020 Author Report Posted July 10, 2020 It's hard to choose, but I think that Morpho cypris is probably my favorite butterfly species - Morpho rhetenor helena is similarly intense blue - Quote
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