Barberry Edge Gall Mite

Eriophyes caliberberis

Eriophyidae

Aceria

Berberis aquifolium

Arizona

California

Colorado

Delaware

Georgia

Idaho

Indiana

Kentucky

Michigan

Minnesota

Montana

Nebraska

Nevada

New Jersey

New Mexico

New York

North Dakota

Ohio

Oregon

Pennsylvania

South Dakota

Texas

Utah

Washington

Wyoming

Berberis thunbergii

Aceria caliberberis

Type host: Berberis californica Jepsan [Berberis aquifolium var. dictyota], barberry
Relation to host: Working from the upper leaf surface the mites cause irregular longitudinal sinuate folds, anywhere from the edge to the midrib. The mites develop in the fold. 

The Eriophyid Mites of California

 Colonization of 
a leaf by Eriophyes caliberberis results in considerable contor- 
tion; the leaf margin is curled upward, folded, and twisted 
across the upper surface toward the midrib. The leaf fold may 
involve the entire length of the leaf margin, with one or two 
windings forming a tube. The folded leaf eventually becomes 
crumpled and brown. The mite colonies are found in the tight 
leaf folds.

[photo pg. 143]

An Illustrated Guide to Plant Abnormalities Caused by Eriophyid Mites in North America

Aceria caliberberis

Eriophyes caliberberis

Hosts: Berberis dictyota, Berberis thunbergii

Relationship: The mites make irregular, sinuate, upper surface leaf folds

Range: CA, OR

Amrine Catalog

Barberry Edge Gall Mite (Eriophyes caliberberis)

Galls of this eriophyid mite occur along the margins of new leaves and occasionally the midrib of Oregon grape (Berberis aquifolium), especially the variety known as creeping barberry (B. aquifolium var. repens). 

Range: From Utah to California

Plant Galls of the Western United States