Three-spot grass yellow

Eurema blanda

'Eurema blanda'', the three-spot grass yellow, is a small butterfly of the family Pieridae which is found in Sri Lanka, India and southeast Asia.
Three-spot grass yellow, Eurema blanda blanda - "sucking nectar on the Zinnia flower"  Eurema blanda,Geotagged,Indonesia,Summer,Three-spot grass yellow

Appearance

For a key to the terms used, see :Glossary of entomology terms.
Wet form: Male. Upper-side lemon-yellow. Fore-wing with the outer marginal black band anteriorly broader than in Sri Lankan specimens of ''Eurema hecabe'', the posterior end shorter and its inner edge outwardly oblique. Hind-wing with a moderately broad black outer band. Underside. Both wings with more or less defined ordinary markings of wet form. Fore-wing with three marks in the cell, in addition to the discocellular. No sub-apical patch. Female. Not seen.
Intermediate form: Male. Not seen. Female. Upper-side. Fore-wing with similar outer band to the wet form. Hind-wing with a broad black outer marginal band. Underside with slightly-defined ordinary brown markings as in wet form. Fore-wing with a brown sub-apical patch.

Dry form: Smaller than in wet form. Male. Upper-side. Fore-wing with narrower outer marginal band, its posterior end much smaller. Hind-wing with a slender outer band. Underside. Both wings with similar ordinary markings to the wet form. Fore-wing with a more or less defined sub-apical patch. Female. Upper-side. Fore-wing with a broader black outer band than in male. Hind-wing with a much broader outer band than in male. Underside. Both wings similar to male.

Extreme Dry form: Male not seen. Female. Upper-side. Fore-wing with a broad black outer band, its posterior portion angled obliquely outward from the lower median veinlet. Hind-wing with a moderately broad outer band. Underside. Both wings with ordinary markings as in dry form. Fore-wing with a prominent almost complete quadrate apical brown patch.— Charles Swinhoe, ''Lepidoptera Indica''. Vol. VII
Three-spot grass yellow, Eurema blanda blanda  Eurema blanda,Geotagged,Indonesia,Summer,Three-spot grass yellow

Food

''Caesalpinia mimosoides'' and ''Bauhinia purpurea''.

References:

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Taxonomy
KingdomAnimalia
DivisionArthropoda
ClassInsecta
OrderLepidoptera
FamilyPieridae
GenusEurema
SpeciesE. blanda