Flatworm (IMAGE) University of Hawaii at Manoa Caption Platydemus manokwari, an introduced flatworm present in Hawai‘i, which can act as a paratenic host of the rat lungworm parasite and that has been implicated in causing rat lungworm disease in Okinawa. Credit Shinji Sugiura. Usage Restrictions No restrictions. License Public Domain Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.