Insects

Ips paraconfusus

California five-spined bark beetle (Ips paraconfusus)
Latin Name Ips paraconfusus
Common Name California five-spined bark beetle
Biology

Adults are ~4 mm, dark brown. Attacks stressed pines. Two to four generations/year. Males produce aggregation pheromones. Overwinters as adults .

Damage

Attacks ponderosa, lodgepole, and sugar pines. Creates galleries under bark, girdling trees. Transmits fungi .

Distribution Regions

Western North America (US, Canada) .

Monitoring

Visual inspection of pitch tubes and boring dust. Pheromone traps .

Recommended Traps

Pheromone traps (e.g., multi-funnel traps) .

Literature review

Semiochemical evidence

The cited publications support the exact compound-species relationship. Formulation, ratio, loading, release rate and field lifetime depend on a validated lure protocol and are not inferred here.

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