
Community identification
California Root Borer
Prionus californicus
- Order & Family
- Order: Coleoptera, Family: Cerambycidae
- Size
- 25 to 50 mm in length
Natural Habitat
Forests, woodlands, and orchards in western North America
Diet & Feeding
Larvae feed on the roots of various trees and shrubs, while adults generally do not feed and rely on stored fat reserves
Behavior Patterns
Larvae live underground for several years feeding on roots, pupate in the soil, and adults emerge in summer, being strongly attracted to artificial lights at night
Risks & Benefits
Larvae can cause significant damage to orchards and timber by weakening or killing trees through root destruction, but they are a natural part of forest ecosystems and provide a food source for wildlife