Morpho helenor, the Helenor blue morpho or common blue morpho, is a Neotropical butterfly found throughout Central and South America from Mexico to Argentina. It is a species group that may or may not be several species. Many subspecies have been described.

There is no data about harmful of this species. Don't forget to be careful.

The larvae of subspecies Morpho helenor achillaena have been recorded as feeding on Genipa americana, Inga, Machaerium oblongifolium and Platymiscium.