Nuisance and household pests-Bean weevil

Bruchus rufimanus

Pest description and damage Adult beetle is about 0.125 inch long, dull, and grayish brown. Larval stage feeds in and destroys dry beans. Often first evidence of infestation is the appearance of exit holes in the stored beans. These weevils will not infest grains, cereals, or other stored products.


Store beans and peas in insect-proof containers. Heating beans or peas to 130°F for 30 minutes prior to storage will kill all stages of beetles. When disposing of any product containing stored product pests, make sure to remove any infected items from the home entirely.