![Fuzzy Orange Galls from Parasitic Wasps on Oak Leaves – Observations from 2013-2020 – Naturalis Historia Fuzzy Orange Galls from Parasitic Wasps on Oak Leaves – Observations from 2013-2020 – Naturalis Historia](https://naturalishistoria.files.wordpress.com/2013/10/gall-wasp-pinoak-leaves-ohio-up-close1600.jpg)
Fuzzy Orange Galls from Parasitic Wasps on Oak Leaves – Observations from 2013-2020 – Naturalis Historia
![What's that on an oak leaf? Animal? Plant? Fungus? Nah, gall insect – Galls wasps, Cynipidae — Bug of the Week What's that on an oak leaf? Animal? Plant? Fungus? Nah, gall insect – Galls wasps, Cynipidae — Bug of the Week](https://images.squarespace-cdn.com/content/v1/502d2cede4b0ab396711e089/59936b79-2dc0-4e10-88cf-244eb9a7f1ed/woolsower+copy2000.jpg)
What's that on an oak leaf? Animal? Plant? Fungus? Nah, gall insect – Galls wasps, Cynipidae — Bug of the Week
Roaring Brook Nature Center - Nature note: These fluffy white balls are called Wool Sower Galls. Plant galls are produced by insects, fungi, bacteria or viruses. This particular gall is made by
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