Pontania helveticae

are host of

• Global Biotic Interactions: Pteromalus dolichurus (Thomson 1878)

are parasitized by

• Global Biotic Interactions: Aptesis nigrocincta (Gravenhorst 1815)
• Global Biotic Interactions: Pteromalus dolichurus (Thomson 1878)
• Global Biotic Interactions: Pteromalus pontaniae Askew 1985
• Global Biotic Interactions: Scambus vesicarius (Ratzeburg 1844)
• Global Biotic Interactions: Hydriomena ruberata Freyer 1831

parasitize

• Global Biotic Interactions: Salix helvetica Vill. (İsviçre söğüdü)
• Global Biotic Interactions: Salix helvetica Vill. (İsviçre söğüdü)