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  2. Wheat weevil - Wikipedia

    en.wikipedia.org/wiki/Wheat_weevil

    The wheat weevil (Sitophilus granarius), also known as the grain weevil or granary weevil, is an insect that feeds on cereal grains, and is a common pest in many places. It can cause significant damage to harvested stored grains and may drastically decrease crop yields. The females lay many eggs and the larvae eat the inside of the grain kernels.

  3. Oryzaephilus surinamensis - Wikipedia

    en.wikipedia.org/wiki/Oryzaephilus_surinamensis

    Oryzaephilus surinamensis, the sawtoothed grain beetle, [1] is a beetle in the superfamily Cucujoidea. [2] It is a common, worldwide pest of grain and grain products as well as chocolate, drugs, and tobacco. [2] The species' binomial name, meaning "rice-lover from Suriname," was coined by Carl Linnaeus, who received specimens of the beetle from ...

  4. Rice weevil - Wikipedia

    en.wikipedia.org/wiki/Rice_weevil

    An adult emerges from inside a grain of rice. Adult rice weevils are able to fly, [6] and can live for up to two years. Females lay 2–6 eggs per day and up to 300 over their lifetime. The female uses strong mandibles to chew a hole into a grain kernel after which she deposits a single egg within the hole, sealing it with secretions from her ...

  5. Maize weevil - Wikipedia

    en.wikipedia.org/wiki/Maize_weevil

    The maize weevil (Sitophilus zeamais), known in the United States as the greater rice weevil, [1] [2] is a species of beetle in the family Curculionidae.It can be found in numerous tropical areas around the world, and in the United States, and is a major pest of maize. [3]

  6. Oryzaephilus mercator - Wikipedia

    en.wikipedia.org/wiki/Oryzaephilus_mercator

    Oryzaephilus mercator, the merchant grain beetle, is a small, flattened beetle about 2.5mm in length. [1] It is a common, worldwide pest of grain and grain products as well as fruit, chocolate, drugs, and tobacco. [1] The biology of O. mercator is nearly identical with Oryzaephilus surinamensis (the sawtooth grain beetle). [1]

  7. Home-stored product entomology - Wikipedia

    en.wikipedia.org/wiki/Home-stored_product_entomology

    Beetles usually breed in damaged grain, grain dust, high-moisture wheat kernels, and flour. The female flour beetle can lay between 300 and 400 eggs during her lifetime [a period of 5 to 8 months]. The flour beetles mainly infest grains, including, but not limited to: cereal, corn-meal, oats, rice, flour, and crackers.