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世界廣佈種。
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利用

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褐粉蠹為重要的木材及文物害蟲,危害老家具、地板,以及各種木材製品。偏愛較乾燥的木材,幼蟲可將木材啃蝕至僅剩一層薄外皮,一觸即破。成蟲鑽出木材的孔洞直徑約為1.5-2mm。雌蟲可於木材的裂縫或木材原有之維管束孔徑內產卵,幼蟲於木材內孵化後,即以周遭木材為食,將堅硬的木材磨成極細的粉末,「粉蠹」之名因此而來。
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描述

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體長約4-6.5mm,體型扁長,兩側平行。體呈深褐色或紅棕色,前胸背板通常較翅鞘色深。頭部伸出前胸背板外,清楚可見。觸角11節,末兩節膨大。前胸背板前端寬、後端窄,中間有一條狹長的凹陷。翅鞘長約為寬的2.5倍,末端無截面。
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Lyctus brunneus

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Lyctus brunneus is a xylophage (wood-eating) insect[1] a species of beetle in the family Bostrichidae. It is a member of the subfamily Lyctinae, the powderpost beetles. It is known commonly as the brown powderpost beetle[2] or brown lyctus beetle.

Today it is distributed worldwide but it was probably originally native to the Neotropical realm.[3]

Like other powderpost beetles, this species lives in wood.[4]

References

  1. ^ Wood Eating Bugs - Insects That Eat Wood, Animal Wised, accessed 31 July 2020.
  2. ^ Lyctus brunneus. PaDIL.
  3. ^ Ebeling, W. Chapter 5: Wood-Destroying Insects and Fungi. Archived 2016-03-04 at the Wayback Machine Urban Entomology. UC Riverside Entomology.
  4. ^ Pest Notes: Wood-Boring Beetles in Homes. Agriculture and Natural Resources, University of California. UC ANR Publication 7418.
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Lyctus brunneus: Brief Summary

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Lyctus brunneus is a xylophage (wood-eating) insect a species of beetle in the family Bostrichidae. It is a member of the subfamily Lyctinae, the powderpost beetles. It is known commonly as the brown powderpost beetle or brown lyctus beetle.

Today it is distributed worldwide but it was probably originally native to the Neotropical realm.

Like other powderpost beetles, this species lives in wood.

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