All About Bugs Pest & Termite Control
All About Bugs 5-Star Reviews

Your Five-Star, Family-Owned Pest Control and Termite Experts

Hours of Operation

The Rice Weevil is a common pantry pest in Sevierville, TN and surrounding areas. To read about other creatures inclined to invade your cupboards, read our article: Common Pantry Pests in Sevierville, TN – Awareness and Prevention Tips.

Rice Weevil

Rice Weevil - - Common Pantry Pests in Sevierville, TN

Scientific Name: Sitophilus oryzae

Approx. Size:
2 to 3 millimeters in length.

Rice Weevil Actual Size

Color:  Reddish brown to black in color

Number of Legs:  6

Antennae:  Yes, distinctive geniculate (elbowed) antennae

Wings: Yes, but unable to fly

Lifespan: The lifespan of a rice weevil can range from a few weeks to several months, depending on environmental conditions.

Rice Weevil

Rice Weevil - - Common Pantry Pests in Sevierville, TN

Scientific Name: Sitophilus oryzae

Rice Weevil Actual Size

Approx. Size:
2 to 3 millimeters in length.

Color:  Reddish brown to black in color

Number of Legs:  6

Antennae:  Yes, distinctive geniculate (elbowed) antennae

Wings: Yes, but unable to fly

Lifespan: The lifespan of a rice weevil can range from a few weeks to several months, depending on environmental conditions.

Lifecycle

The life cycle consists of four stages: egg, larva, pupa, and adult. Females lay eggs inside grains, and the larvae develop within the kernels.

Behavior and Habits of Rice Weevils

  1. Diet:

    • What They Eat: Rice weevils primarily feed on stored grains, including rice, wheat, barley, oats, and corn. They are known to infest a wide range of cereal products, such as flour, pasta, and breakfast cereals.
    • Feeding Habits: Adult rice weevils feed by piercing individual grains with their mouthparts, injecting digestive enzymes, and then consuming the partially liquefied contents. Larvae, on the other hand, bore into grains, creating tunnels as they feed.
  2. Reproduction:

    • Egg Laying: Female rice weevils lay eggs inside the kernels of stored grains. They use their elongated snouts to drill a small hole in the grain and deposit a single egg inside.
    • Life Cycle: The life cycle consists of four stages: egg, larva, pupa, and adult. The entire cycle can take several weeks to complete, depending on environmental conditions.
  3. Infestation Locations:

    • Preferred Environments: Rice weevils thrive in warm, humid conditions, but they can adapt to a range of climates. They are commonly found in grain storage facilities, warehouses, and households where grains are stored.
    • Hideouts: Rice weevils often seek refuge inside stored grains, making it challenging to detect them until the infestation is advanced.
  4. Movement and Mobility:

    • Active Night Feeders: Rice weevils are more active during the night, making nocturnal foraging expeditions for grains. However, they can also be active during the day in low-light conditions.
    • Limited Flight: While rice weevils have wings, they are not strong fliers and usually rely on crawling to move from one location to another.
  5. Survival Adaptations:

    • Resistance to Deprivation: Rice weevils can survive for extended periods without food, and their resilience makes them capable of enduring harsh conditions.

How to Keep Rice Weevils at Bay

Rice Weevils in your pantry are a tell-tale sign of poor storage practices. Following our Best Pantry Pest Prevention Strategies for Home and Business is the best solution for keeping Rice Weevils at bay. Click here to read the article.

All About Bugs Sentricon Termite Solutions in Sevierville TN

Call or Send a Message

Tell us about your pest control needs.
Get a FREE Quote!