Photoglittera Noctis, from Latin for 'light' and 'sparkling night', is a rare bioluminescent lepidopteran native to temperate forest canopies. It features a delicate 0-10 cm wingspan and lightweight body (0-2 g) aiding bioluminescent gliding. Wings have a translucent base with dark patterns and gradient spots for camouflage. Faint yellow-orange bioluminescent spots near wing margins emit 470-530 nm blue-green light, enhancing nocturnal communication and predator deterrence. The slender body with elongated antennae supports sensory navigation at 15-25°C. Belonging to the Aurorae Lepidoptera cluster of 20 species, it employs slow, controlled gliding flight to maximize bioluminescent display for mating and territoriality. Its protected status highlights ecological importance and vulnerability, exemplifying evolutionary convergence of light production and delicate morphology in Lepidoptera.
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