The Cloudless Sulphur (Phoebis sennae) is a small to midsized butterfly in the family Pieridae found in the New World. There are several similar species such as the Yellow Angled-sulphur (Anteos maerula), which has angled wings, or other sulphurs, which are much smaller. Their range is wide, from South America to southern Canada. They are most common from Argentina to southern Texas and Florida, but are often visitors outside this range becoming more rare further north. The common habitats of this butterfly are open spaces, gardens, glades, seashores, and watercourses. The adult butterfly feeds on nectar from many different flowers with long tubes including cordia, bougainvillea, cardinal flower, hibiscus, lantana, and wild morning glory.