European Elm Flea Weevil in Maryland
MODERATEInsect
European Elm Flea Weevil is currently active in Maryland. Watch your susceptible trees closely and act early.
About European Elm Flea Weevil
European Elm Flea Weevil observed in the wild. Research-grade iNaturalist observation.
Symptoms to watch for
Treatment options
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 European Elm Flea Weevil. 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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Browse all Maryland arborists →Frequently asked questions
Is European Elm Flea Weevil in Maryland?
European Elm Flea Weevil is currently active in Maryland. Watch your susceptible trees closely and act early. It was first recorded here on September 4, 2026.
What does European Elm Flea Weevil look like?
How do I treat European Elm Flea Weevil?
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.