Lasioderma serricorne | Furniture Hazards #30

3月 18, 2026

Furniture Hazards: Cigarette Beetles

1. Cigarette Beetle Appearance Notes

Size & Shape: Oval, "humpbacked" body with a downward-tucked head. Adults are typically 2mm to 3mm in length. Their compact, rounded profile allows them to penetrate tight furniture crevices and packaging.

Key Identifier: Presence of serrated (saw-like) antennae and smooth wing covers. They lack the striations found in similar beetle species, a critical marker for technical screening.

2. Cigarette Beetle Top 3 Food Sources

Cigarette beetles are opportunistic feeders. Their infestation within furniture is primarily driven by the consumption of these three organic materials:

  1. Organic Fillers (Primary Energy) - Larvae aggressively consume furniture stuffings made of dried straw, flax, or animal hair, which provide the essential nutrients for their development.
  2. Botanical Residues (Foraging Stimulant) - They are highly attracted to dried plant matter, including tobacco, seeds, and dried floral arrangements often found in or near decorative furniture.
  3. Proteinaceous Adhesives (Structural Target) - They feed on animal-based glues and pastes used in antique furniture joinery, bookbindings, and decorative veneers.

3. Infestation Identification

  • Exit Holes: Perfectly round emergence holes (approx. 1.5mm) on furniture surfaces where adults have emerged from the internal structure.
  • Internal Powdering: Fine, granular frass (a mixture of excrement and filling debris) leaking from furniture seams or internal cavities.
  • Adult Flight Activity: Observation of small, slow-flying brown beetles navigating near furniture structures during periods of low light or dusk.

This content is an independent synthesis of global scientific records and technical identifiers. It is provided as an analytical reference for identification and preliminary screening only. This publication does not constitute professional, technical, or legal guidance. We do not guarantee the absolute timeliness or applicability of the data. For any specific structural issues or infestations, please consult and commission a certified professional in the respective field.

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