Ambrosia Beetles (Including PSHB)
Various species including Polyphagous Shot Hole Borer
Ambrosia beetles are weevil subfamily beetles that live in nutritional symbiosis with ambrosia fungi. They excavate tunnels in trees where they cultivate fungal gardens as their sole source of nutrition. The Polyphagous Shot Hole Borer (PSHB) is causing very serious concern and damage in California.
Identification & Symptoms
What to Look For
Potential Damage
Lifecycle
Adult beetles bore into trees and create galleries where they inoculate fungal spores. The fungus grows on gallery walls, providing nutrition for beetle larvae. After development, adults collect fungal spores in specialized structures (mycangia) and emerge to find new host trees. Multiple generations possible per year.
Professional Treatment Approach
Systemic insecticides for prevention
Remove and destroy heavily infested material
Maintain tree health and vigor
Early detection and monitoring
Quarantine measures for infested material
Recommended Mauget Products
Imisol (Imidacloprid)
Professional-grade treatment specifically effective against ambrosia beetles (including pshb).
View Product DetailsImicide (Imidacloprid)
Professional-grade treatment specifically effective against ambrosia beetles (including pshb).
View Product DetailsDinocide (Dinotefuran)
Professional-grade treatment specifically effective against ambrosia beetles (including pshb).
View Product DetailsAbacide-2 (Abamectin)
Professional-grade treatment specifically effective against ambrosia beetles (including pshb).
View Product DetailsNeed Professional Diagnosis?
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