STARI Rash (IMAGE) Washington University in St. Louis Caption STARI, a disease carried by lone star ticks, resembles Lyme disease in that it is characterized by a bulls-eye rash, but it is caused by a different bacterium and seems to be less virulent. Credit Wunderling/Creative Commons Usage Restrictions None 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.