Luminosa Nocturnus, meaning 'night light,' is a bioluminescent butterfly inhabiting tropical rainforest understories. It has delicate, translucent wings up to 10 cm, displaying iridescent blue with violet and coppery orange hues. Fine venation supports the fragile structure. Multiple blue-green bioluminescent spots (450-495 nm) on the wings likely aid in communication or predator deterrence in low light. The slender body weighs under 2 g, with elongated antennae and segmented legs for rhythmic gliding, typical of Aurorae Lepidoptera. Preferring humid, shaded understories at 20-30°C, it occupies a rare, protected niche. Belonging to a genus of ten bioluminescent species, it represents an evolutionary adaptation enhancing nocturnal tropical biodiversity.