Common Onyx
Common NameCommon Onyx
Scientific NameHoraga onyx
FamilyLycaenidae
SubfamilyTheclinae
Wingspan (mm)30
Primary Colorsorange-brown, white, black
HabitatTropical and subtropical forests, forest edges, open woodlands
Geographic RangeSoutheast Asia (India, Sri Lanka, Myanmar, Thailand, Malaysia, Singapore, Indonesia, Philippines)
Host PlantsDerris, Pongamia, Xylia, Butea, Millettia
Flight PeriodYear-round in tropical regions, with multiple broods
Flight Styledarting
Conservation Statusleast-concern
Lifecycle NotesUndergoes complete metamorphosis; larvae feed on various host plants, often legumes, before pupating into a chrysalis.
Identification TipsKey features include the distinctive orange-brown underside with a broad white band, and two prominent tails on each hindwing, often with black spots and blue scaling near the tails.
Description
A small hairstreak butterfly with an orange-brown underside, featuring a prominent white band across both wings and black spots near the tailed hindwing margin.
