The Clouded Sulphur is one of our most common butterflies. They are most often see flying low over lawns and fields. They are a medium-sized butterfly, with a wingspan of up to two inches wide. Males and females are slightly different. Males are yellow with a sharp black border on the wings. Females are a duller yellow with yellow spots inside the black border. Both sexes have single black spots on the forewings, and dull orange spots on the hindwings. Clouded Sulphurs can be seen from March to September. There are several broods (batches) each year. Clouded Sulphur caterpillars are bright green with a dark back stripe and two light side stripes. Adult Clouded Sulphurs drink nectar from many different flowers, including: clovers, milkweeds, goldenrods, asters, dandelions, thistles, and sunflowers.
Some host plants of Clouded Sulphurs include clovers and Black Locust. Besides lawns and fields, you may see them in parks, gardens, streambanks, and roadsides.