
Brown Lineblue
Common NameBrown Lineblue
Scientific NameProsotas nora
FamilyLycaenidae
SubfamilyPolyommatinae
Wingspan (mm)25
Wing Patternspotted
Primary Colorsbrown, black, white
HabitatOpen woodlands, gardens, scrubland, forest edges
Geographic RangeSouth and Southeast Asia (India, Sri Lanka, Myanmar, Thailand, Malaysia, Singapore, Indonesia, Philippines)
Host PlantsAcacia, Albizia, Cajanus, Crotalaria, Desmodium, Mimosa, Pongamia, Saraca
Flight PeriodYear-round in tropical regions, multiple broods
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesEggs are laid singly on host plant buds or young leaves. Larvae are slug-shaped and often myrmecophilous, feeding on various legumes before pupating on the host plant or nearby.
Identification TipsIdentify by the pale brown underside with distinct dark brown transverse streaks and the characteristic submarginal black spots, particularly the prominent black spot on the hindwing near the tornus.
Description
A small butterfly with pale brown undersides, featuring darker brown transverse streaks across both wings and a series of submarginal black spots, including a prominent one near the hindwing tornus.




