Rat Lungworm Found Throughout Florida (2 of 2) (image) Florida Museum of Natural History Share Print E-Mail Caption This rat lungworm larvae has reached the infective stage inside its snail host. When a rat eats the snail, it becomes infected with the parasite, which matures and reproduces inside the rat's pulmonary artery. Credit Photo: Heather Stockdale Walden Usage Restrictions Please credit Heather Stockdale Walden Share Print E-Mail 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.