Ash Flower Gall Mite on Omaha Ash Trees
Ash flower gall mites are tiny eriophyid mites that distort male flower clusters into unsightly galls, but the damage is mostly cosmetic and doesn't affect the tree's overall health.
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Understanding the ash flower gall mite
The ash flower gall mite is a tiny pest that targets ash trees, creating distinctive and often unsightly galls in male flower clusters. Scientifically known as eriophyid mites, these insects measure less than 1 mm in length and range in color from yellowish and greenish to reddish and red.
Under favorable conditions, ash flower gall mites can go from egg to adult in just 10 to 14 days, allowing populations to build quickly once they establish on a tree.
Life cycle and damage
Ash flower gall mites feed on male flower clusters, causing them to become irregularly branched and fringed. Affected clusters initially appear green, then turn black as they dry. Galls often persist on the tree until the following spring.
Importantly, the damage does not impact the tree's overall vigor or health. It's a cosmetic issue rather than a structural or long-term health threat.
How Eden Tree Pros can help
We offer professional evaluations, tailored treatments, and science-based monitoring methods to manage ash flower gall mites and other pests affecting ash trees around the Omaha area.
