Types of scuttle flies (IMAGE) Norwegian University of Science and Technology Caption Being able to distinguish between different types of scuttle flies (Phoridae) requires expertise that very few people possess. But DNA analysis is of great help. Credit Illustration: Kelsey Bailey, NTNU Usage Restrictions Use only in association with articles about this research and with proper credit. 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.