Reference · Pests

Ciidae

Ciidae, commonly known as minute tree-fungus beetles, belong to the suborder Polyphaga. These small insects are specialized inhabitants of polypore fungi and other basidiomycetes found on decaying or living trees. Their adaptation to this unique ecological niche is highly specialized.

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Ciidae

In terms of systematic position, the Ciidae family is part of the superfamily Tenebrionoidea. Their morphology is characterized by a cylindrical body shape, which enables them to move efficiently through the tunnel networks they excavate within the tough, woody textures of fungus fruiting bodies.

The damage caused by Ciidae primarily involves the destruction of fungal tissues. While they are generally considered beneficial in forest decomposition processes, in specific agricultural or silvicultural contexts, they can become pests when they consume beneficial fungi or damage wood-based substrates in research or industrial production settings.

The life cycle of these beetles is completed entirely within the host fungus. Females oviposit into the tissue, and larvae hatch and consume the fungal interior, creating a network of galleries. Pupation also occurs within the substrate, which protects the developing insects from environmental fluctuations and natural predators.

Management and control strategies focus on reducing the available breeding substrates and monitoring infested areas. Key measures include:

  • Frequent sanitation of forested areas to remove old, infested logs and stumps.
  • Manual or mechanical removal of fungal sporocarps before the beetle brood emerges.
  • Maintaining optimal tree health to reduce the occurrence of fungal infections.
  • Application of traps or chemical controls only when the economic threshold is exceeded in specialized facilities.