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March 10, 2026Journal of Applied EntomologyOpen Access

Therapeutic Bark Gouging as an Effective Complement for the Management of Ips typographus and Pityogenes chalcographus While Preserving Habitat for Secondary Scolytine (Coleoptera: Curculionidae) Species

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Authors

TFTobias FrühbrodtBavarian State Research Center for AgricultureHLHannes LemmeBavarian State Research Center for AgricultureWHW. Andreas HahnBavarian State Research Center for Agriculture

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Overview

Experimental series demonstrates bark gouging effectively reduces pest success in Norway spruce, indicating a viable management strategy.

Key Points

  • To investigate the effectiveness of therapeutic bark gouging on Ips typographus and its interaction with secondary species.
  • Conducted a two-year experimental series in south-east Germany.
  • Applied bark gouging at three developmental stages of I. typographus.
  • Measured reproductive success and colonisation density of bark beetles.
  • Bark gouging significantly reduced reproductive success of I. typographus across all treatment timings.
  • Efficacy decreased over time, highlighting early treatment importance.
  • Reproductive success of Pityogenes chalcographus was also significantly reduced.
  • Abundance of secondary species showed variable results, with no negative impact on overall non-target scolytine richness.

Cite This Study

Frühbrodt et al. (2026) studied this question.

synapsesocial.com/papers/69af95a470916d39fea4d6f0https://doi.org/10.1111/jen.70075
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Debarking harvesters simultaneously combat the European spruce bark beetle (<i>Ips typographus</i>) and conserve non‐target beetle diversity2024 · 3 citations
  2. 2Drivers of primary bark beetle (Coleoptera: Curculionidae, Scolytinae) infestations in even-aged, uneven-aged, and unmanaged Norway spruce forests in central Sweden2026
  3. 3Evaluation of the efficiency of tree injection of Norway spruce against the European spruce bark beetle (Ips typographus) (Coleoptera: Scolytinae).2026
  4. 4Sanitation timing matters: Winter and spring felling effectiveness against Ips typographus in hemiboreal Norway spruce forests2026
  5. 5Impact of Trapping Programs for Ips typographus (Linnaeus) (Curculionidae: Scolytinae) on Predators, Parasitoids, and Other Non-Target Insects2025