Callirhytis cornigera

Horned Oak Galls are Living Up to Their Common Name

The “horns” that give the Horned Oak Gall its common name are bursting to the surface in southwest Ohio. The horns make the galls look like a miniature version of a medieval martial arts weapon. The woody stem galls were formed under the direction of the gall-wasp, Callirhytis quercuscornigera (syn. Callirhytis cornigera (Family Cynipidae)).
Published on
Authors
Joe Boggs

Horns are Popping

The “horns” that give the horned oak gall its common name are rising to the surface in southwest Ohio. The woody stem galls were formed under the direction of the gall-wasp, Callirhytis cornigera (Family Cynipidae) to feed and house immature grub-like wasps.
Published on
Authors
Joe Boggs