See comparison of H. diffinis, gracilis, and thysbe wing patterns (Moth Photographers Group).
Host plants include Deerberry (Database of the World's Lepidopteran Hostplants) and Orangefruit Horse-Gentian (US Forest Service Plant of the Week: Triosteum aurantiacum).
There are 360 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 |