What do the sawtoothed grain beetle (Oryzaephilus surinamensis), red flour beetle (Tribolium castaneum), lesser grain borer (Rhyzopertha dominica), maize weevil (Sitophilus zeamais), and the rice weevil (Sitophilus oryzae) have in common? You may have guessed by the names of these pests. These are pests that attack standing crop and stored grain products.

While small in size, these pests are often known to reproduce and continue to feed on grains such as wheat, rice, oats, barley, and rye. These pests can feed on the interior of individual grains and can lead to infestations that demonstrate the emergence of adults that harm and destroy standing or stored crop.

Once an infestation is present, it is difficult to remove these pests. What options are available to eliminate and kill these pests?

Authors Xinyi E, Bhadriraju Subramanyam, and Beibei Li at Kansas State University have tested a potential solution: Chlorine Dioxide. Via their paper, Responses of phosphine susceptible and resistant strains of five stored-product insect species to chlorine dioxide, these researchers have identified that chlorine dioxide gas is effective at killing adults of these five stored-product insect species and suppressing adult progeny production of three of the five species.

Responses of phosphine susceptible and resistant strains of five stored-product insect species to chlorine dioxide

Chlorine dioxide’s use spans many different industries from food safety, oil and gas, healthcare, water treatment, and more!

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