Proctacanthus philadelphicus is a very large, elongate species similar to other members of the genus. It can be distinguished by the deep brown coloration of the wings and body. It occurs primarily in the northeast (Hine, 1911).
There are 4 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 |