Pest Guides

Bamboo Borer

Dinoderus minutus

Appearance

Image of Bamboo Borer [Dinoderus minutus] | Ehrlich Pest Control
  • Dark brown body, plump, almost cylindrical, 1/16 to 1/8" in length.
  • Antennae broaden at the tip, with the last 3 segments considerably larger and ending in well-defined antenna clubs.
  • The humped thorax conceals the head and has teeth-like indentations in its rounded front. Two large dimples at the back of the thorax.
  • Elytra (wing cases) are covered with small pits and bristly hairs.

Lifecycle

  • The female lays 27–35 eggs into the food substrate, larvae hatch and bore into the plant.
  • Larva undergoes up to 4 development phases and pupates inside the plant.
  • The lifecycle can be as short as 60 days in good conditions (35 °C, 75% relative humidity) leading to multiple generations per year.

Habits

  • Larva feeds on bamboo cane, but the weevil is also known to breed on cassava root.
  • Larva makes tubular passages along plant fibres and emerges leaving a perfectly round hole.
  • This species from East Asia is brought in with cargo on ships (e.g. tapioca products), wooden packaging and even wooden musical instruments.

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