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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.
Prostephanus truncatus is commonly referred to as larger grain borer (LGB) with reference to the related Rhyzopertha dominica, which is relatively smaller, and referred to as the lesser grain borer. P. truncatus is about 6 mm (0.24 in) long as compared to 3 mm (0.12 in) long in R. dominica.
The lesser grain borer has a dark coloured cylindrical structure with the head concealed. [4] When lesser grain borer eggs are laid, they are laid outside the grain, however they mature inside the shell of the seed which can take up to 6 weeks if the temperature is cooler, with the adult borers not living for longer than two months.
Rhyzopertha dominica (Fabricius) - lesser grain borer; Sinoxylon anale (Lesne) Xylion cylindricus Macleay; Xylobosca bispinosa (Macleay) Xylodeleis obsipa Germar; Xylopsocus gibbicollis (Macleay) Xylothrips religiosus (Boisduval) Xylotillus lindi (Blackburn) Species found in the United Kingdom. Bostrichus capucinus; Bostrychoplites cornutus ...
This beetle is similar to the saw-toothed grain beetles in both habits and types of products infested. It is a serious pest in flour mills and wherever cereal products and other dried products are stored and/or processed. Generally, the beetle is attracted to grain with a high moisture content, and usually causes the grain to acquire a grayish ...
Kislev and Simchoni have found in archaeological site remains of a storage pest Lesser grain borer (Rhyzopertha Dominica). These insects feed, grow and reproduce in grains and other foods that are saved in storage houses. As a result of this study, Kislev suggests that this kind of pest was not present in Egypt during Joseph’s time. This can ...
It’s also important to consider expired vitamins’ lesser potency if you’re at risk of being deficient in something. “Pregnant women and women trying to conceive should be taking prenatal ...
The beetles that are most likely to infest stored grains are Sitophilus zeamais (maize weevil), Rhyzopertha dominica (lesser grain borer), and Prostephanus truncatus (larger grain borer). Studies suggest that the maize weevil is able to detect the scent of methyl salicylate and tends to avoid it.