Westwood's Yellow
Common NameWestwood's Yellow
Scientific NameEurema westwoodi
FamilyPieridae
SubfamilyColiadinae
Wingspan (mm)42
Wing Patternsolid
Primary Colorsyellow
HabitatOpen areas, forest edges, clearings, gardens, and disturbed habitats
Geographic RangeSoutheast Asia (e.g., Malaysia, Singapore, Indonesia, Philippines, Thailand, Myanmar)
Host Plantsleguminous plants (Fabaceae)
Flight PeriodYear-round in tropical climates
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesUndergoes complete metamorphosis: egg, larva (caterpillar), pupa (chrysalis), and adult. Larvae feed on host plants, pupate, and emerge as adults.
Identification TipsDistinguished by its uniform bright yellow coloration and relatively plain wings. Often found fluttering low in open, sunny areas of Southeast Asia.
Description
A small to medium-sized butterfly with bright, uniform yellow wings. The underside may show faint dark speckling along the veins, and the forewing apex might have a subtle dark margin.
