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Saw-Toothed Grain Beetle Exterminators

Classification: Insect
Color: Reddish brown/black with four yellow or red spots on wing covers
Size: ⅛ inch long
Distinguishing features: Long snout (about 1/3 of weevil’s total length)
Eats: Whole grains, buckwheat, dried beans, nuts seed, cereal products, popcorn and more
Interesting fact: Despite its name, macaroni noodles appear to be the favorite food of rice weevils when they are in your pantry.

Don’t Let the Saw-toothed Grain Beetle Ruin Your Breakfast Plans

Like many of the other beetles that infest pantries, the saw-toothed grain beetle likes a variety of foods. But one of its special favorites is oatmeal, so your breakfast menu may have to change suddenly if you encounter one of these little bugs in your oatmeal packet.  Look for an insect that is:

  • ¼ inch long and slender
  • Brownish red in color
  • Equipped with six saw-like projections on either side of the thorax
  • Active (likes to scuttle around)
  • Unable to fly
  • Not attracted to light

Although the saw-toothed grain beetle is sometimes confused with the less common merchant grain beetle, the saw-toothed pest has smaller eyes and a triangular-shaped head.

Small destroyer

In addition to oatmeal, the saw-toothed grain beetle likes to eat it way through:

  • bran
  • dried fruits and nuts
  • sugar
  • chocolate
  • macaroni

Sealed plastic packages or even food wrapped in foil won’t stop this pest; it can eat its way through packaging. The female lays its eggs in a food source individually or in small batches. the white, shiny eggs hatch into yellowish-white larvae before becoming adults.  Females can lay between 45 and 285 eggs per year, producing up to seven generations during that time.  The beetles live an average of 6 to 10 months, but have been known to live as long as three years.

Limiting the damage

The saw-toothed grain beetle doesn’t spread disease or bite, but the urine and excrement it leaves behind in its food sources can create favorable conditions for the growth of mold. to rid yourself of this unwelcome guest:

  • Try to identify the sources of contamination and dispose of it in a tightly sealed plastic bag
  • Vacuum everything in the pantry or storage area, especially crevices where the beetles might hide
  • Ventilate the area to reduce the humidity that the beetle likes
  • Store foods that can be infested in glass or plastic containers with tight-sealing lids

If the problem persists, don’t keep throwing away spoiled food! Give Brody Brothers a call today and we’ll get the saw-toothed grain beetle out of your food storage areas.

What Our Clients Are Saying
Over 300 verified Contact Us Online Reviews

“I have been with Brody Brothers for 5.5 years. Ari has been coming to my home for all this time. He does a great job. I hardly ever have an issue. He keeps us pest free which isn't easy living in the woods.”

Jessica Lubek
Owings Mills, MD

“Over 10 year. Service is always top notch. They are always on time and take care of any problems.”

Larry Goldberg
Reisterstown, MD

“We have been using Brody Pest control for about 40 years! We were always very satisfied by their service, always on time and very pleasant and knowledgeable.”

Morris & Greta Lasson
Baltimore, MD

“We have been using Brody Brothers for around 5 years and we love that they are personal and they will keep coming back until a problem is resolved.”

Michal Kovacs
Pikesville, MD