Luminopteris Nocturnalis, a rare bioluminescent lepidopteran from the Tropical Rainforest Understory, features translucent, elongated wings up to 10 cm with scalloped edges and deep blue-violet hues. Luminescent azure and pinkish-orange spots along wing veins emit light at 420-490 nm from photocytes, likely for nocturnal signaling and predator camouflage. Weighing 0-2 g, it has slender legs and a compact thorax adapted for rhythmic gliding flight of the Aurorae Lepidoptera cluster. Preferring humid, shaded microhabitats at 20-30°C, it belongs to a genus of 10 species exhibiting bioluminescence for communication and defense, representing a unique link of morphology, ecology, and luminescence in lepidopteran evolution.