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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.
They are the most common grain and stored product pest in the United States. They are very active and tend to crawl rapidly while searching for food. [4] They are small insects, reaching a length of about 1 ⁄ 8 of an inch. Their name originates from their distinguishable, sawtooth-like projections found on each side of the thorax.
The grain or wheat weevil (Sitophilus granarius) damages stored grain, as does the maize weevil (Sitophilus zeamais), among others. The boll weevil ( Anthonomus grandis ) attacks cotton crops; it lays its eggs inside cotton bolls and the larvae eat their way out.
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 ...
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 ...
Out on the shelves, a “package of white rice on the retail display shelf was found with live grain insects.” Stop Sale on the rice. Stop Sale on the rice.
Primary grain pests attack the whole grain. The eggs are laid inside the grain, before the larvae mature inside the grain and then chew their way out. Some of these pests include the Lesser grain borer, Granary weevil ( Sitophilus granarius , the Wheat weevil ) and Rice weevil ( Sitophilus oryzae ).
A once-invited guest, Asian lady beetles are now considered an invasive insect in the U.S. — and they may be an uninvited guest in your home right now as the insects swarm, searching for a warm ...
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