Galls, Diseases, and Pests - Aphids : Woolly Oak Aphid
Stegophylla essigi
Stegophylla essigi
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Woolly Oak Aphids create folded leaf galls on oak trees. While many oaks develop leaf fold galls, the ones on Coast Live Oaks are especially striking as often they turn reddish. Not a lot is known about these fold galls, and some could be made by other types of aphids.
