Glassy-winged Sharpshooter in California
MODERATEInsect
Glassy-winged Sharpshooter is currently active in California. Watch your susceptible trees closely and act early.
About Glassy-winged Sharpshooter
Had a wonderful evening with the Elm Fork Master Naturalist training class -- we talked bugs and then after class, we did some blacklighting. Crazy hot and dry, and quite a bit of light pollution here, but still, some neat bugs showed up! :)
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 Glassy-winged Sharpshooter. 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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Need help with Glassy-winged Sharpshooter in California?
Connect with ISA Certified Arborists serving California:
Browse all California arborists →Frequently asked questions
Is Glassy-winged Sharpshooter in California?
Glassy-winged Sharpshooter is currently active in California. Watch your susceptible trees closely and act early. It was first recorded here on August 12, 2026.
What does Glassy-winged Sharpshooter look like?
How do I treat Glassy-winged Sharpshooter?
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.