Bacterial Groups (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption This colorful representation shows the dominant bacterial groups that live inside the guts of coffee berry borers from seven major coffee producing countries. The bar graph on the left shows the proportion of the most prevalent bacteria, Pseudomonas, in the gut microbiome of the collected beetles. Credit Berkeley Lab 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.