Luminopteris Nocturnum, named from Latin for 'light-winged night,' is a bioluminescent butterfly illuminating tropical rainforest canopies. It has delicate wings up to 10 cm tall, a slender body, and a vibrant leaf-like mosaic pattern—orange, yellow, and purple basally, shifting to blue and turquoise distally—likely for camouflage and signaling. Bioluminescence (420-490 nm) produces blue-turquoise glow via specialized photocytes along wing veins and margins. Weighing 0-5 g, it exhibits rhythmic gliding typical of its genus. Inhabiting stable 20-30°C canopy environments, this behavior likely aids mate attraction and predator avoidance at night. Taxonomically, it belongs to the rare, threatened Chromaflorae Lepidoptera with 10 species, notable for bioluminescence and unique wing morphology, enriching nocturnal tropical biodiversity.