Here are the key facts about this spectacular insect:
Habitat & Range: The species is found east of the Andes in the Amazon basin, ranging from Brazil and Peru to Suriname, Venezuela, and Trinidad. They prefer riverbanks and primary and secondary rainforests, thriving at elevations up to 800 meters.
Appearance: They have a striking wingspan of about 65–70 mm. The wings feature vibrant, metallic blue-green bands bordered by black and tipped with white "tails".
Diet & Toxicity: Caterpillars feed exclusively on the toxic plants of the genus Omphalea (specifically Omphalea diandra). They sequester these plant toxins, which remain in their system, making them distasteful to predators even in their adult stage.
Day-Flying Nature: Unlike most moths, the Green-Banded Urania is diurnal (active during the day). Because of their bright colors and behavior, they are frequently mistaken for butterflies and are highly sought after by collectors and artisans for framing and interior design.
Migration: They are powerful, migratory insects. Large swarms can occasionally be seen migrating, and they have even been recorded as vagrants on Caribbean islands like Barbados and Dominica.
Evolutionary History: They are closely related to the Urania fulgens (Urania swallowtail). It is believed these two species diverged about 2.7 to 5 million years ago when the Andes Mountains formed, forcing them into separate geographical ranges.
