Eurema andersonii, the one-spot grass yellow[1] or Anderson's grass yellow, is a small butterfly of the family Pieridae, that is, the yellows and whites, which is found in Bangladesh,India, Myanmar and other parts of Asia.[1][2][3][4][5]
Wet form: Male. Upper-side. Fore-wing with the outer marginal band moderately broad, the medial portion inclined slightly inward, and the lower portion very slightly inclined obliquely-outward. Hind-wing with a moderately broad outer band. Underside with slightly defined ordinary markings. Fore-wing with two cell-marks, basal obsolescent. Female not seen.
Dry form (fig. 2a, b). Male. Upper-side similar to the wet form. Underside with the ordinary markings distinct. Fore-wing with a medial cell mark, and a more or less well-defined sub-apical patch.
Female. Upper-side paler. Fore-wing with slightly broader outer band. Hind-wing with a moderately broad outer band. Underside similar to the male.
Gaonkar, Harish (1996). Butterflies of the Western Ghats, India (including Sri Lanka) - A Biodiversity Assessment of a Threatened Mountain System. Bangalore, India: Centre for Ecological Sciences.
Gay, Thomas; Kehimkar, Isaac David; Punetha, Jagdish Chandra (1992). Common Butterflies of India. Nature Guides. Bombay, India: World Wide Fund for Nature-India by Oxford University Press. ISBN978-0195631647.