woolly galls on serviceberry leaves

June 17, 2020Elk Mountain Trail, Tillamook State ForestTillamook County, Oregon

Coordinates: 45.61629,-123.48318 (click for map)
woolly galls on serviceberry leaves (Amelanchier alnifolia) [Elk Mountain Trail, Tillamook State Forest, Tillamook County, Oregon]
Filename: 20200617-133346.jpg 2735x2051 pixels, ISO 125, f5.0 @ 1/125 sec
Amelanchier alnifolia

The galls are probably from a Blaesodiplosis midge.

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