Your browser (Internet Explorer 7 or lower) is out of date. It has known security flaws and may not display all features of this and other websites. Learn how to update your browser.

X
Oak Grove Nature Center › Gall Wasp Nests › Galls Found in Oak Grove Regional Park

Galls Found in Oak Grove Regional Park

Below you will find images of a small selection of the galls that can be found on the oaks and other plants located in Oak Grove Regional Park. Click on the image to see a larger image.

California Gall Wasp gall (Andricus quercuscalifornicus)
California Gall Wasp gall (Andricus quercuscalifornicus)
California Gall Wasp gall (Andricus quercuscalifornicus)

California Gall Wasp gall (Andricus quercuscalifornicus), also known as Oak Apples, forming, maturing and mature, ready for wasps to "hatch".

California Jumping Gall Wasp gall (Neuroterus saltatorius)
Club Gall Wasp gall (Xanthoteras clavuloides)
Clustered Gall Wasp gall (Andricus brunneus)

From left to right: California Jumping Gall Wasp gall (Neuroterus saltatorius); Club Gall Wasp gall (Xanthoteras clavuloides); Clustered Gall Wasp gall (Andricus brunneus).

Convoluted Gall Wasp gall (Andricus confertus)
Disc Gall Wasp galls(Andricus parmula) on Blue Oak
Red Cone Gall Wasp galls (Andricus kingi)
Red Cone Gall Wasp galls (Andricus kingi)

From left to right: Convoluted Gall Wasp gall (Andricus confertus); Disc Gall Wasp galls(Andricus parmula) on Blue Oak; Red Cone Gall Wasp galls (Andricus kingi).

Rose Blister Gall Wasp galls (Diplolepis rosaefolii)
Rose Blister Gall Wasp galls (Diplolepis rosaefolii)
Spiny Leaf Gall Wasp gall (Diplolepis polita) on California Rose
Willow Apple Gall Sawfly galls (Pontania clifornica) on Arroyo Willow

From left to right: Rose Blister Gall Wasp galls (Diplolepis rosaefolii); Spiny Leaf Gall Wasp gall (Diplolepis polita) on California Rose; Willow Apple Gall Sawfly galls (Pontania clifornica) on Arroyo Willow.