It creates and maintains wounds on the grass, Spartina alterniflora, which are then infected by fungi, probably of the Phaeosphaeria and Mycosphaerella genera.
The diet of this species consists of the decayed shoots of smooth cordgrass, Spartina alterniflora.
The introduction of the strong-growing smooth cordgrass (Spartina alterniflora) has also had deleterious effects.
Spartina alterniflora | Spartina | Spartina bakeri | Spartina anglica | Spartina maritima |