Madrone: Madrone leafminer
Photo by: S.J. Collman
Biology
Larvae of this leaf and twig mining moth blaze sinuous, serpentine mines across the upper sides of leaves.
Since leafminer usually cause only minor damage, they do not affect the long-term health of the tree.
Management Options
See "Using Integrated Pest Management (IPM) in the Landscape" for successful problem management techniques.
Non-chemical Management
Select non-chemical management options as your first choice!
- Natural predators may help control populations. Encourage predators such as green lacewings and spiders.
Chemical Management
IMPORTANT: Always read and follow label directions when working with pesticides.
- For more information on using pesticides visit Home and Garden Fact Sheets | Pesticide Resources and Education Program | WSU.
- Also visit Pacific Northwest Pest Management Handbooks.
- None recommended
WSU Extension programs and employment are available to all without discrimination.
Evidence of noncompliance may be reported through your local Extension office.