Posts Tagged: oak galls
A Lot of Gall
Those oak trees (Quercus lobata) in California’s Central Valley have a lot of gall. Ian Pearse, Maxwell Joseph and Melanie Gentles of the UC Davis Department of Entomology recently surveyed 1234 oak apple galls in Davis and Woodland (Yolo County) and...
Ian Pearse examines oak apple galls. (Photo by Kathy Keatley Garvey)