Introduction
The Pyrginae, popularly known as Flats or Spreadwings, are a cosmopolitan subfamily distributed across temperate and tropical habitats throughout the world. In the Americas there are 990 species.
The genus Mylon contains 15 known species, all with the same characteristic wing shape and pale greyish-white ground colour. Some species like pelopidas are faintly marked, while others are quite heavily marbled with dark brown.
Mylon illineatus is found on the eastern slopes of the Andes, from Colombia to Bolivia.
Habitats
This species occurs in rainforest and cloudforest habitats at elevations between about 400-1600m on the eastern slopes of the Andes.
Lifecycle
To be completed.
Adult behaviour
In cloudy conditions the butterflies fly in open areas along roadsides, nectaring at flowers of various species. In hot and sunny conditions the males settle on the ground to imbibe moisture from the edges of puddles and ditches.