Small Grass Yellow (Eurema brigitta rubella)

Locally common butterfly occurs in grasslands of the hills from 200-2200m asl. Its larva feeds on Chamaecrista leschenaultiana, Chamaecrista kleinii , Chamaecrista mimosoides and Chamaecrista nictitans (All Chamaecrista species are known as බිං සියඹලා in Sinhala)