“…Recent research has elucidated critical aspects of migration, an evolved behavioral strategy used by several lepidopteran species, including both butterflies (e.g., the North American monarch butterfly, Danaus plexippus [2–7]; the painted lady butterfly, Vanessa cardui [8, 9]) and moths (e.g., the silver Y moth, Autographa gamma [10–12]). To reach their destinations during the migratory journey, migrants likely use either compasses alone or a map and compasses, for navigation [1].…”