Black-legged tick (IMAGE) Cell Press Caption This is a photo of the black-legged tick, Ixodes scapularis. Credit Andrew Nuss/University of Nevada, Reno. Usage Restrictions Credit must be given to the creator. Adaptations must be shared under the same terms. License CC BY-SA 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.