Erika Machtinger (IMAGE) Penn State Caption Erika Machtinger, associate professor of entomology in the College of Agricultural Sciences and leader of Penn State Extension’s vector-borne disease team, trains vector professionals about tick surveillance. Credit Michael Houtz/Penn State College of Agricultural Sciences Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.