Wollbachia (IMAGE) Penn State Caption Wolbachia bacteria (stained red) inside mosquito cells (with nuclei stained blue). Credit Cassandra Koh / Monash University Usage Restrictions non commercial use only 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.