Lemon Emigrant (Catopsilia pomona)

A very common butterfly occurs from lowlands to hills while becoming scarce in the hills above 1000m a.s.l.. It take parts in migrations and may be seen even in the higher hills during the migrations. Larva feeds on C. fistula[ඇහැළ], Cassia grandis, Cassia javanica (වෙසක් ගහ/Java cassia/Pink cassia), Cassia roxburghii (රතු වා/Ceylon cassia/Red cassia), Cassia alata (රට තෝර/Candle bush/Candle stick/Rinworm shrub), Senna didymobotrya [රට තෝර] and , Senna surattensis (Scrambled-egg-tree)