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Visual Reference Library - Insects
IN-13.0 SAW-TOOTHED GRAIN BEETLE
 IN-13.0 Saw-toothed Grain Beetle

Oryzaephilus surinamensis (LINNÉ)

 

A slim beetle 2.5-3.5 mm long, dark brown; neck shield has two deep longitudinal grooves and six sharply-pointed projections on each side. The slim whitish-yellow larvae are freely mobile and grow to a length of 3.5-4 mm.

 

Found in warehouses, silos, mills, and food processing plants; it infests grain and grain products. In granaries, it is usually found as a secondary pest together with other grain pests but is occasionally found alone as the primary pest.

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Last updated February 2010