The Large Orange Sulphur (Phoebis agarithe) is an exceedingly rare vagrant from the deep south, recorded from just two Maryland counties. This species is similar to the Cloudless Sulphur, but is orange, not pale yellow. Records in Maryland are from September (Butterflies of Maryland: A Biological Summary and Checklist by Lynn Davidson & Richard Smith).
There are 2 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 |