Asian Lady Beetle
MODERATEHarmonia axyridis
Overview
Found alive but in terrible shape. Was swimming around in the water bowl we put out for feral cats here. Also appeared to have had a run in with a spider web, as it had something stuck all over it. Got a lot of suggestions for fungi and parasitoids that target ladybeetles, so maybe its appearance is more a function of a disease or parasite process taking place. It was definitely having trouble getting adound, but could be due to having been in the water for a long time and/or having bits of web
- Type
- Insect
- Severity
- MODERATE
- Source
- iNaturalist
Symptoms
Geographic Spread
Treatments
Targeted Insecticide Application
Apply appropriate insecticide following label directions. Timing is critical — treat during the vulnerable larval or adult emergence stage for maximum effectiveness.
Biological Control Agents
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
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 Asian Lady Beetle. Always read and follow label directions, and confirm a diagnosis before treating.
Knocks down soft-bodied pests like aphids, mites, and scale crawlers.
Smothers overwintering eggs and crawlers; dormant or summer rates.
Soil-applied protection taken up by the tree for season-long control.
Sharp, clean cuts to remove affected wood — a tree-care essential.
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Frequently Asked Questions
What is Asian Lady Beetle?
Found alive but in terrible shape. Was swimming around in the water bowl we put out for feral cats here. Also appeared to have had a run in with a spider web, as it had something stuck all over it. Got a lot of suggestions for fungi and parasitoids that target ladybeetles, so maybe its appearance is more a function of a disease or parasite process taking place. It was definitely having trouble getting adound, but could be due to having been in the water for a long time and/or having bits of web
What are the symptoms of Asian Lady Beetle?
Where is Asian Lady Beetle currently found?
Asian Lady Beetle is currently active in California, Ohio, Alabama, Colorado, Louisiana, Florida, Georgia, Indiana, Delaware, Virginia, Maryland, Illinois, New Jersey, New York, Oregon, Maine, Massachusetts, Michigan, Pennsylvania, Utah, Minnesota, Mississippi, Kansas, Texas, Oklahoma, Connecticut, Nebraska, North Carolina, Tennessee, Arkansas, Washington, Missouri, Iowa, Kentucky, Montana, West Virginia, New Hampshire, Idaho, North Dakota, New Mexico, South Carolina. It has been reported in 41 total states across the United States.
How do I treat Asian Lady Beetle?
Treatment options for Asian Lady Beetle 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.