They migrate to the north every year where the cold weather limits them to 1 or 2 broods before returning south. Photograph by Donald Hall, University of Florida. I've seen adults once or twice (they never stick) but I do have their babies c: Final instar a month or so ago: 2 from Today (now showing the late-sea Unfortunately, this causes many farmers and gardeners to rip the plants out. The Cloudless Sulphur is larger than most sulphurs. Adult butterflies favour the nectar of milkweeds, pentas, azaleas, autumn sage, Mexican sage, dewdrops, hibiscus and wild morning glory. At Bowman’s Hill Wildflower Preserve the Cloudless Sulphurs seem to prefer Wild Senna (Senna hebecarpa, S. marilandica). They feed on plants that are poisonous allowing them to accumulate toxins in their body, making them less palatable to predators. The caterpillars are often considered elusive pests, because they turn green when eating green leaves and turn yellow when eating yellow flowers. Lower surface of hindwing of both sexes with 2 pink-edged silver spots. Photo: Marc Minno, University of Florida. The cloudless sulphur caterpillar eats legumes such as Cassia and Senna plants. I've seen adults once or twice (they never stick) but I do have their babies c: Final instar a month or so ago: 2 from Today (now showing the late-sea We immediately recognized a Cloudless Sulphur Caterpillar, Phoebis sennae, but we do not have any Cassia growing anywhere near. They have relatively long tongues and can reach the nectar of Figure 7. Egg of the cloudless sulphur, Phoebis sennae (Linnaeus). Adult male cloudless sulphur, Phoebis sennae (Linnaeus), ventral view. The sulphur butterfly caterpillars taking advantage of the Cassia obtusifolia (Sicklepod) plants were excellent to see, along with monarch caterpillars munching common milkweed, gulf fritillary caterpillars on passion vine, black swallowtails decimating the fennel and dill, and sleepy orange caterpillars on the Cassia plants. Subject: Cloudless Sulphur Caterpillar in Mount Washington Location: Mount Washington, Los Angeles, California February 28, 2016 We were shocked to see this bright yellow caterpillar meandering across the patio. The colour of the cloudless sulphur caterpillar is based on the feeding pattern. Cloudless Sulphur caterpillars that eat green leaves of their host plant (Cassia and Senna plants) are green while caterpillars that eat the flowers of their host plant are the color of the flowers. This one in particular had more noticeable blue … Shown below is a comparison chart of commonly seen Sulphur Butterflies. Sleepy Oranges use the same food plants for their caterpillars, and I have so far seen the same preference for Wild Senna rather than Partridge Pea at this location. Eggs: The eggs are cream colored when laid but later turn to orange. … My funky iron leaves, reinstalled after taking them down prior to Hurricane Dorian’s near miss. Males are typically a solid, bright yellow while females are yellow with a black border on the wings and single or double pink-ring around a silver spot in the hindwing center. Subject: Cloudless Sulphur Caterpillar in Mount Washington Location: Mount Washington, Los Angeles, California February 28, 2016 We were shocked to see this bright yellow caterpillar meandering across the patio. Adult male cloudless sulphur, Phoebis sennae (Linnaeus), ventral view. Cloudless Sulphurs are prolific in the southern U.S. and Mexico where they can produce 3 or 4 broods a year.