
Common Grass Yellow
Common NameCommon Grass Yellow
Scientific NameEurema hecabe
FamilyPieridae
SubfamilyColiadinae
Wingspan (mm)45
Wing Patternsolid
Primary Colorsyellow, black
HabitatOpen grasslands, meadows, gardens, agricultural fields, forest edges
Geographic RangeTropical and subtropical Asia, Africa, and Australia
Host PlantsCassia, Sesbania, Mimosa, Glycine, Medicago, Trifolium
Flight PeriodYear-round in tropical regions; multiple broods in warmer temperate zones
Flight Stylegliding
Conservation Statusleast-concern
Lifecycle NotesEggs are laid singly on host plant leaves. Larvae are green with a pale lateral stripe. Pupae are green, angled, and attached by a silken girdle, with rapid development in warm conditions.
Identification TipsKey features include the bright yellow upperside with a distinct, continuous black border on the forewings. The underside often shows small brown spots and can vary seasonally in coloration and markings.
Description
A medium-sized butterfly with vibrant yellow wings, featuring prominent black borders on the forewings and sometimes extending to the hindwings. The underside is typically a paler yellow, often with subtle brown markings.



