Formosus Metalmark
Common NameFormosus Metalmark
Scientific NameAnteros formosus
FamilyRiodinidae
SubfamilyRiodininae
Wingspan (mm)32
Primary Colorscream, reddish-brown, metallic silver
HabitatTropical forests, forest edges, often near streams
Geographic RangeSouth America (Brazil, Peru, Ecuador, Colombia)
Host PlantsUnknown, likely various dicotyledonous plants
Flight PeriodYear-round in tropical habitats, with seasonal peaks
Lifecycle NotesEggs are typically laid singly. Larvae are often slug-like and pupate on or near the host plant.
Identification TipsKey features include the unique pattern of metallic-centered reddish-brown spots on a pale cream background, metallic wing margins, and striking bright yellow-green eyes. Its small size and darting flight are also characteristic.
Description
A small butterfly with pale cream undersides featuring prominent reddish-brown spots, many with iridescent centers, and metallic lines along the wing margins. It has distinctive bright yellow-green eyes.
