SAP Beetle

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Types of Pests
SAP Beetle

SAP Beetle (Coleoptera: Nitidulidae)


  • Adults are 2 to 4 mm in length, oval, flattened and light brown to black in colour  often with 1 or 2 yellow to reddish brown spots.
  • Sap beetles are highly mobile.
  • They have a very high reproductive rate: a single female can lay up to 1000 eggs over a 3 to 4 month period.
  • Females lay eggs on or in food.
  • Larvae are active and move amongst the food, burrowing into food material.
  • Populations develop rapidly.
  • Larvae may burrow into moldy grain residues.
  • SAP beetles may transmit mold spores, bacteria and yeasts.