Insects

Polygraphus subopacus

Polygraphus subopacus (Polygraphus subopacus)
Latin Name Polygraphus subopacus
Common Name Polygraphus subopacus
Biology

Coleoptera (Curculionidae, Scolytinae); adults and larvae mine phloem of conifers (e.g., spruces); form gallery systems; univoltine.

Damage

Disrupts nutrient transport in conifers, leading to tree stress and increased susceptibility to pathogens.

Distribution Regions

Temperate Europe, Asia (e.g., Russia, Northern Europe).

Monitoring

Pheromone trapping (aggregation pheromones); monitoring bark for gallery entrances.

Recommended Traps

Funnel traps or screen traps baited with specific aggregation pheromones.

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