Japanese common grass yellow
Common NameJapanese common grass yellow
Scientific NameEurema mandarina
FamilyPieridae
SubfamilyColiadinae
Wingspan (mm)40
Primary Colorspale yellow, black
HabitatOpen grassy areas, gardens, agricultural fields, forest edges
Geographic RangeEast Asia (Japan, Korea, China)
Host PlantsCassia, Mimosa, Sesbania, Albizia
Flight PeriodApril to November (multiple broods)
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesEggs are laid singly on host plants. Larvae are green, and pupae are typically green or yellowish-green, attached by a silken girdle. Multiple generations occur throughout the warmer months.
Identification TipsKey features include its pale yellow coloration and the presence of small, scattered black speckles on the underside of the wings, which help distinguish it from similar grass yellow species.
Description
A small to medium-sized butterfly with pale yellow wings, often speckled with fine black dots on the underside, as seen in the image.
