Very small (~1 mm), spherical galls on lower leaf surface of live oak, each on a separate lateral vein. A slight bump on upper surface, and a small hole left behind when the gall is removed. Gall interior firm but fleshy.
23-035
a bubble gall on the edge of Q nigra leaf. Coll. 4/23/23
https://www.inaturalist.org/observations/161659955
Wasp emerged from cocoon bet 5/10 and 5/14/23