Stay Connected   USDA In Facebook USDA In Twitter USDA In Youtube USDA govdelivery USDA In Flickr USDA RSS
Stay Connected
Visual Reference Library - Insects
IN-15.0 RED/CONFUSED FLOUR BEETLE
 IN-25.0 Red and Gray Sunflower Weevil

Tribolium castaneum (HERBST)

 

A slim beetle of 3-4 mm length, of uniform red-brown to black color. Beetles and larvae feed on a very wide variety of dry vegetable substances, such as, milled cereal products. A frequent mill pest; it can also attack undamaged wheat kernels.

 

Besides grain and grain products it infests foodstuffs and animal feeds of all kinds; also spices and drugs.

 

Badly infested flour has a sharp odor and turns brown; its baking properties are damaged.

>>> Next...

Last updated February 2010