Typically found in aquatic habitats with smartweed.
Host plants are in the genus Persicaria. In Queen Anne's County Disonycha pensylvanica was found on Dense-flowered Knotweed.
There are 26 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 |