Eurema leuce, the Hall's sulphur, is a butterfly in the family Pieridae. It is found on the West Indies and in Brazil, Uruguay, Colombia, and Venezuela.
The length of the forewings is 17–21 mm for males and females. Adults have been recorded feeding on Bidens pilosa, Tournefortia hirsutissima, and Croton barahonensis.
Subspecies
The following subspecies are recognised: E. l. leuce (Brazil: Rio Grande do Sul, Uruguay) E. l. circumcincta (Bates, 1861) (Brazil: Pará) E. l. athalia (C. & R. Felder, [1865]) (Colombia, Venezuela, Trinidad) E. l. flavilla (Bates, 1861) (Brazil: Amazonas), Peru) E. l. memulus (Butler, 1871) (Haiti) E. l. antillarum (Hall, 1936) (St. Kitts, Dominica, St. Lucia, Puerto Rico)