Eurema blanda

Eurema blanda, the three-spot grass yellow,^[3][4] is a small butterfly of the family Pieridae which is found in Sri Lanka, India and southeast Asia.^[3][4][1][2]

Three-spot grass yellow
Phuket, Thailand
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Pieridae
Genus:	Eurema
Species:	E. blanda
Binomial name
Eurema blanda Boisduval, 1836
Synonyms
Terias silhetana Wallace, 1867[1] Terias citrina Moore, [1881][2]

Description

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^[2]

Life cycle

Egg

Pale yellowish oval-shaped eggs are laid under or upper the leaves and hatch after about three days.

Larva

They are light green in color in first instar and they become bright green color in the last instar.

Pupa

After 20 days from the hatching , the larva become pupa. Pupae are light green in color and , they become butterflies and emerged from the chrysails after a week.

Food plants

Caesalpinia mimosoides and Bauhinia purpurea.^[5]

Laying eggs on Albizia julibrissin

Eeurema blanda and a Vespidae on a Tagetes lucida (marigold), in Laos

See also

• List of butterflies of India
• List of butterflies of India (Pieridae)