Cloudless Sulphur

  • Family name: Pieridae/Whites and Sulphurs
  • General description: Male clear yellow. Female yellow to white-green with darker spots along wing margins; forewing with round hollow cell spot. Ventral forewing and hindwing with pink-bordered silvery cell spots; females with additional pinkish-brown spots on both wings. Winter form (dry season) individuals more heavily pattered on ventral wing surfaces.
  • Field Marks: General: large Male: clear yellow wings Female: wings white-green to yellow; dorsal forewing with round hollow cell spot;
  • Sexes: appear different
  • Wingspan: 50-68 mm
  • Life Cycle: Egg: white, spindle-shaped, laid singly on host leaves Mature larva: variable; green with yellow lateral stripe marked by blue spots to yellow with blue transverse bands Chrysalis: green to pink
  • Number of Generations: multiple
  • Flight Season: All year
  • Abundance: Common
  • Habitat: forest margins, disturbed sites, fields, roadsides, gardens
  • Counties: Alachua, Baker, Bay, Bradford, Brevard, Broward, Calhoun, Charlotte, Citrus, Clay, Collier, Columbia, De Soto, Dixie, Duval, Escambia, Flagler, Franklin, Gadsden, Gilchrist, Glades, Gulf, Hamilton, Hardee, Hendry, Hernando, Highlands, Hillsborough, Holmes, Indian River, Jackson, Jefferson, Lafayette, Lake, Lee, Leon, Levy, Liberty, Madison, Manatee, Marion, Martin, Miami-Dade, Monroe, Nassau, Okaloosa, Okeechobee, Orange, Osceola, Palm Beach, Pasco, Pinellas, Polk, Putnam, Santa Rosa, Sarasota, Seminole, St. Johns, St. Lucie, Sumter, Suwannee, Taylor, Union, Volusia, Wakulla, Walton, Washington
  • Larval Host Plants: Partridge pea (Cassia fasciculata), sensitive pea (Cassia nictitans), sicklepd senna (Cassia obtusifolia), coffee senna (Cassia occidentalis), candle plant (Cassia alata)
  • Similar Species: Orange-barred Sulphur
  • Additional Information: Migratory; adults overwinter in reproductive diapause. Range is limited in Colorado and Nevada.

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