Malaria Bug (IMAGE) Penn State Caption The researchers examined mosquitoes thirty days after they were infected with Wolbachia using whole mount fluorescence in situ hybridization. Wolbachia bacteria, indicated in red, are distributed throughout the mosquito. The green areas represent mosquito cell nuclei. Credit Grant Huges, Penn State 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.