Bacteria-Free Areola (IMAGE) Max Planck Institute for Chemical Ecology Caption A Petri dish has been inoculated with E. coli bacteria -- indicated by the white dots -- and shows the enormous antibacterial potential of H. axyridis. Whereas native species Adalia bipunctata and Coccinella septempunctata have not or hardly formed a bacteria-free areola, H. axyridis has killed all bacteria in its surroundings. Credit Andreas Vilcinskas, Justus Liebig University, Giessen, Germany 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.