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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.
The sole species, Rhyzopertha dominica, is known commonly as the lesser grain borer, American wheat weevil, Australian wheat weevil, and stored grain borer. [3] It is a beetle commonly found within store bought products and pest of stored cereal grains located worldwide. [4] It is also a major pest of peanuts.
In this case, the pesky bugs, which are actually called weevils, infest the whole kernels and lay eggs in the wheat grains before it's been milled into flour, Quoc Le tells Delish.
Similarly to the lesser grain borer, maturation also happens inside the grain with the matured adult rice weevil eating through the husk of the grain to get out. The life cycle is similar to that of the lesser grain borer in summer months (approximately one month) and adult weevils live up to 8 months after the experience their life cycle. [3]
(Spiders, bed bugs, and fleas don’t hibernate in the winter, sadly.) There are ways to deter the critters from coming your way, especially if you use insect repellent or bug spray, but there’s ...
Sitophilus is a genus of weevils in the tribe Litosomini.Some species are familiar as pests of stored grain, nut, or seed. Notable pest species include the rice weevil (S. oryzae), wheat weevil (S. granarius), and maize weevil (S. zeamais).
Ragged holes in individual grains, similar to damage caused by the rice weevil and granary weevil, may indicate infestation. [6] In large stores of grain, an increase in temperature may be detected. The most obvious sign of infestation is the emergence of adults. One study recorded, 5 weeks after infestation, the emergence of 100 adults per kg ...
Wheat Diseases and Pests: A Guide for Field Identification Excellent color guide from CIMMYT; USDA Cereal Disease Laboratory Many information resources; Identifying and Managing Wheat Rusts, Kansas State University; CropMonitor - UK Resource for in-season wheat disease control Excellent tool for agronomists and growers; Millere, Marta (2020-04-07).