1996 Laboratory Biology of an Immigrant Asian... The Asian moth Parapoynx diminutalis Snellen is an immigrant in Florida and Panama where it attacks hydrilla, Hydrilla verticillata (L. fil.) Royle, an ...

Wrapped around the edges were long stems of hydrilla verticillata ... The dainty strands of hydrilla, also known as water thyme or Indian star-vine, looked innocuous enough.