Ancyluris meliboeus (meliboeus swordtail) is a butterfly of the family Riodinidae. It is found in Suriname, Brazil, Colombia, Bolivia and Peru.

The wingspan is about 40 mm.

Subspecies Ancyluris meliboeus meliboeus (Surinam, Brazil (Amazonas), Peru) Ancyluris meliboeus euaemon (Peru, Colombia, Bolivia) Ancyluris meliboeus julia (Brazil)

External links Now you see it - now you don’t, a study - Study of the iridescence of the wings