Gypsy Moth Caterpillar (3 of 3) (IMAGE) Penn State Caption A typical appearance of caterpillars infected with baculovirus, hanging from foliage where they melt and drip virus on foliage below; caterpillar of unknown species. Credit Michael Grove Usage Restrictions non advertising use 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.