gall on Black Walnut - Juglans nigra - Aceria caulis Cross Plains, Dane County, Wisconsin, USA August 19, 2011 Size: ~12mm
Gall on leafstalk of Black Walnut, Juglans nigra.
Images of this individual: tag all Contributed by Ilona L. on 19 August, 2011 - 10:42pm Last updated 10 December, 2011 - 12:58pm |