Japanese Beetle (JB) Project Decisions

2026 JB Project Decisions

  • Carmichael – Treatment
    • 149 JB adults detected in 2025
    • Delimitation trapping beginning April 1, 2026
  • Ontario Airport – No treatment
    • One JB adult detected in high risk trapping in 2025
    • 25 traps per square mile beginning May 1, 2026 (standard high hazard density)
  • Rancho Cordova – Treatment
    • One JB adult detected in 2026
    • Delimitation trapping beginning April 1, 2026
  • Roseville – Treatment
    • 31 JB adult detected in 2025
    • Delimitation trapping beginning April 1, 2026
  • Sacramento Airport – No Treatment
    • 8 JB adults detected in high risk trapping in 2025
    • 25 traps per square mile beginning May 1, 2026 (standard high hazard density)