TreeIssues

Edwards' Glassy-wing

MODERATE

Pseudohemihyalea edwardsii

Overview

Taxon: Pseudohemihyalea edwardsii Body length (front of head/frons to wingtips in repose): ~28.5 mm Wing length (base of forewing to apex): ~25.2 mm Maximum resting width (across widest span of closed wings): ~15.8 mm Scale basis: Thread count calculated from reference gauge images (~5.1 threads/mm horizontal warp/weft grid)

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 Edwards' Glassy-wing. Always read and follow label directions, and confirm a diagnosis before treating.

As an Amazon Associate, TreeIssues may earn a commission from qualifying purchases made through these links — at no extra cost to you.

Frequently Asked Questions

What is Edwards' Glassy-wing?

Taxon: Pseudohemihyalea edwardsii Body length (front of head/frons to wingtips in repose): ~28.5 mm Wing length (base of forewing to apex): ~25.2 mm Maximum resting width (across widest span of closed wings): ~15.8 mm Scale basis: Thread count calculated from reference gauge images (~5.1 threads/mm horizontal warp/weft grid)

What are the symptoms of Edwards' Glassy-wing?

Where is Edwards' Glassy-wing currently found?

Edwards' Glassy-wing is currently active in Oregon, California. It has been reported in 2 total states across the United States.

How do I treat Edwards' Glassy-wing?

Treatment options for Edwards' Glassy-wing 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.

Explore More on TreeIssues