TreeIssues

Painted Lady in Michigan

MODERATE

Insect

Active now in Michigan

Painted Lady is currently active in Michigan. Watch your susceptible trees closely and act early.

About Painted Lady

Several days of hot record setting weather in Jefferson County. Co. Painted Ladies are in flight at the base of North Table Mountain. This butterfly was much larger than most of what I've seen here...in past two days. Migrating or overwintering?

Symptoms to watch for

Treatment options

Targeted Insecticide Application

Chemical TreatmentEffectiveness: HIGH

Apply appropriate insecticide following label directions. Timing is critical — treat during the vulnerable larval or adult emergence stage for maximum effectiveness.

Biological Control Agents

Biological ControlEffectiveness: MODERATE

Introduce or encourage natural predators and parasitoids. Options include releasing predatory beetles, parasitic wasps, or applying Bt (Bacillus thuringiensis) for caterpillar pests.

Infested Material Removal

Mechanical RemovalEffectiveness: MODERATE

Prune and destroy infested branches and plant material. Remove fallen debris that may harbor eggs or larvae. Dispose of material away from healthy trees.

Recommended Products & Tools

Helpful supplies for managing Painted Lady. Always read and follow label directions, and confirm a diagnosis before treating.

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Need help with Painted Lady in Michigan?

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Frequently asked questions

Is Painted Lady in Michigan?

Painted Lady is currently active in Michigan. Watch your susceptible trees closely and act early. It was first recorded here on September 16, 2026.

What does Painted Lady look like?

How do I treat Painted Lady?

Options include: Targeted Insecticide Application, Biological Control Agents, Infested Material Removal. Confirm the diagnosis before treating, and consider a certified arborist for high-value trees.