Mites On Hissing Coackroach (IMAGE) Ohio State University Caption These mites, each about 1 millimeter in size, live on the body of a Madagascar hissing cockroach. Credit Photo courtesy of Ohio State University. Usage Restrictions News media use only License Licensed content 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.