Bat fly on bat (IMAGE) Field Museum Caption A Natal long-fingered bat (Miniopterus natalensis) parasitized by a male bat fly (Penicillidia fulvida) on the wall of a diatomite mine in Nakuru, Kenya. Credit Courtesy of Holly Lutz Usage Restrictions Please include credit line License Original 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.