TreeIssues

Red-washed Prominent in Michigan

MODERATE

Insect

Active now in Michigan

Red-washed Prominent is currently active in Michigan. Watch your susceptible trees closely and act early.

About Red-washed Prominent

Collected as an earlier instar, reared on Betula papyrifera. Previous instar: https://www.inaturalist.org/observations/400215771

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 Red-washed Prominent. Always read and follow label directions, and confirm a diagnosis before treating.

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Need help with Red-washed Prominent in Michigan?

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Frequently asked questions

Is Red-washed Prominent in Michigan?

Red-washed Prominent is currently active in Michigan. Watch your susceptible trees closely and act early. It was first recorded here on September 22, 2026.

What does Red-washed Prominent look like?

How do I treat Red-washed Prominent?

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.