leaf gall on bur oak - Andricus quercuspetiolicola Saulbury Bridge Park, Nichols, Muscatine County, Iowa, USA June 26, 2009 Size: ~2 cm diameter
Close-up of upper leaf surface with gall.
Images of this individual: tag all Contributed by John Pearson on 29 June, 2009 - 10:51pm Last updated 2 August, 2009 - 11:13am |