Drosophila Fly is Recently Evolved Crop Pest (2 of 2) (image) University of California - Davis Share Print E-Mail Caption Drosophila suzukii, spotted wing Drosophila, is the only known pests among thousands of species of Drosophila fruit flies. The females use a large ovipositor to make holes in the skins of fruit to lay their eggs. On the left, Drosophila eggs in damaged fruit; center, eggs laid in holes in the skin of a cherry. On the right, the flies made holes in the skin of grapes, but did not successfully lay eggs. Credit Joel Atallah, UC Davis Usage Restrictions May be used with acknowledgement of the source Share Print E-Mail 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.