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There was a few of these galls on the sagebrush in a confined area. Averaged 1 - 2 inches. Some were fig or plum like in appearance. Galls are a tumor like growth triggered or induced by an insect. In this case its most likely a gall midge in the family Cecidomyiidae of which there are at least 32 different species in eastern Washington.
Spotted on a big sagebrush (Artemisia tridentata). Sagebrush steppe near the Umtanum creek.
Lat: 46.86, Long: -120.50
Spotted on May 4, 2019
Submitted on May 28, 2019