Eliminating all other products that could attract weevils, and making sure you thoroughly clean the surrounding of your storage unit will be the first steps in making sure you eliminate any trace of adults and larvae as well. You can also use soapy water or a rag soaked in water and vinegar to clean the shelves, as this will kill any remaining weevils and removes their chemical traces which could attract other weevils in the future. Weatherproof grain storage bins, repair and seal cracks or holes, and treat with residual insecticides. Both the adults and larvae feed on the grain creating a floury dust and potentially, leaving little behind except for the empty husks. This includes removal of old grain from corners, floors, and walls and grain that may have spilled on the exterior of the bin. Rice weevils affect (and eat) rice, wheat, barley, occasionally peas, cereal grains and solid cereal products, such as pasta. Treatment of grains for human consumption or for animal feed [make sure the product is labelled for use on rice, maize and small grains (barley, oats, wheat)]. This enables us to improve your future experience on our website. First check the older and opened packages you have in your pantry, to see if their contents show signs of infestation. What can we use to get rid of the weevils but not harm the cats? The optimum temperature is 30 º C and at an r.h. between 70% and 86%. On average, it takes about two months to develop. The only time you can apply some aerosol insecticide is when cleaning your pantry and all the food products are taken out of it. Make sure that after you have removed the infested food, thoroughly cleaned your kitchen and pantry and replenished it with new and fresh food items, you take into consideration the possibility that another infestation can easily occur. It has biodegradable compounds and it is considered to be a low-toxicity pesticide, taking into consideration the human health standpoint. Weevils can chew through plastic or cardboard, so the best containers to use are glass or metal ones, with tight closing lids. The two most common types of pantry weevils are the granary weevil (Sitophilus granarius) and the rice weevil (Sitophilus oryzae). *Contains 3 ppm Chlorpyrifos‑methyl and .5 ppm Deltamethrin. Storcide ® II* is a liquid stored grain insect protectant that is applied directly to grain. You can also choose the heat method, and spread your products on a baking sheet, in a preheated oven to 48°C, and leave them there for an hour. The bean weevil: Acanthoscelides obtectus. It is very important to identify and treat areas with high potential of … Behavior, Diet & Habits. Granary Weevil image licensed under CC. A professional insecticide concentrate featuring a proprietary polymer layer that protects the active ingredient from weather, irrigation and mechanical abrasion and will last up to 90 days outdoors. Apply on dry surfaces, do not dissolve in water. Sprayers help in applying products meant to reach difficult places, as well as guaranteeing an economic control of the treatment application. Non-chemical treatment of Rice weevils Preventive measures for rice weevil infestations are a cool and dry storage areas, with clean empty spaces. After bins have been properly cleaned and inspected and prior to adding new grain, treat the empty bin with a labeled insecticide. Plan to treat any insects that are detected prior to sale by: • having at least one sealed silo as a hospital bin for fumigation of infested grain; or As pesticides are toxic, it is advisable to adhere to the safety precautions. Freeze grains for at least 1 week (or store permanently in the freezer) to kill any eggs. 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