Dainty Sulphur (Nathalis iole), the smallest species of sulphur in North America, was only recently recorded in Maryland in 2012, when a significant irruption event led to numerous sightings across several states. This tiny butterfly is found primarily in the deep south, but irrupts northwards into the Great Plains and portions of the West annually, where it does not overwinter successfully. It flies low in a wide range of open habitats (Butterflies of Maryland: A Biological Summary and Checklist by Lynn Davidson & Richard Smith; Brock & Kaufman 2003; BAMONA site.
Uses a variety of Asteraceae as larval food plants.
There are 25 records in the project database.
GA | AL | WA | FR | CL | MO | HO | BA | BC | HA | CE | PG | AA | CV | CH | SM | KE | QA | CN | TA | DO | WI | SO | WO |