TreeIssues

Small Milkweed Bug

MODERATE

Lygaeus kalmii

Overview

Observed: Two milkweed bugs mating on a dried, and brown native milkweed plant. Logged as “Small Milkweed Bug” due to INaturalist’s recommendation Observed at 6:25 pm, approximately 40 minutes before sunset, in an east facing, fully shaded milkweed host garden on a dead browned native milkweed plant. When first observed, they were not responsive to my presence. At this time, I observed them moving together, secured by the end of their abdomens. They engaged in a movement that was similar to pl

Type
Insect
Severity
MODERATE
Source
iNaturalist

Symptoms

Geographic Spread

Treatments

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 Small Milkweed Bug. Always read and follow label directions, and confirm a diagnosis before treating.

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Frequently Asked Questions

What is Small Milkweed Bug?

Observed: Two milkweed bugs mating on a dried, and brown native milkweed plant. Logged as “Small Milkweed Bug” due to INaturalist’s recommendation Observed at 6:25 pm, approximately 40 minutes before sunset, in an east facing, fully shaded milkweed host garden on a dead browned native milkweed plant. When first observed, they were not responsive to my presence. At this time, I observed them moving together, secured by the end of their abdomens. They engaged in a movement that was similar to pl

What are the symptoms of Small Milkweed Bug?

Where is Small Milkweed Bug currently found?

Small Milkweed Bug is currently active in Connecticut, Colorado, New York, Kentucky, Michigan, Massachusetts, Maryland, Washington, Ohio, Tennessee, Oregon, California, Illinois, Maine, Minnesota, Virginia, Indiana, Iowa, Utah, New Jersey, New Hampshire, Pennsylvania, New Mexico, Idaho, Oklahoma, Texas, Nebraska, Georgia, Arizona, South Dakota, North Carolina, Kansas, Montana, Missouri. It has been reported in 34 total states across the United States.

How do I treat Small Milkweed Bug?

Treatment options for Small Milkweed Bug include: Targeted Insecticide Application, Biological Control Agents, Infested Material Removal. Treatment approaches may include chemical, biological, cultural, and mechanical methods depending on the severity and context.

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