Warning – Do not cut the chestnut while holding it like this or you may cut yourself! To destroy unhatched eggs, place items in which weevils are not visible in the freezer for four days. Throwing out weevil bugs and destroying ruined product is probably one of the fastest and easiest ways to get rid of these pests – but it’s not the only way. In most cases, they will be burrowing into the wood. Keep the contaminated flour in the sunlight for a day and you get rid of weevils easily. Some species, such as rice weevils and grain weevils, attack stored seeds and grains. To get rid of weevils in the bathroom and bedroom, begin by inspecting what could be bringing them in. How to Get Rid of Weevils. Indian meal moth larvae can be found in grain products as well as dried fruits, nuts, seed, biscuits, chocolate and dry dog food. Keep the infested grains in sunlight: If a large quantity of flour has been attacked by beetles, just keep it in the sunlight. Indoor weevils hang out in storage areas and contaminate food with their feces and shell castings. Rizky Panuntun/Getty Images. Next, scrub your shelves with hot, soapy water. This is what the chestnut should look like after you have cut your X. The adult acorn weevil is a brown beetle about 3/8 inches in length, and has a very long, thin snout. No one likes to see bugs in their pantry, much less think about them growing and multiplying among the foodstuffs. The first step in getting rid of the weevil beetle is to clean house. The larvae is a legless grub which is curved and fat in the middle, tapering toward both ends. ; Weevils may be seen outside the area of foods they have infested, so it is important to check all foods in the home to ensure all weevils are found and eliminated. flour weevils) or rice weevils present themselves, you’ve got a problem. If you’ve experienced something like this, you’ll need to know how to control and get rid of weevils. There are other ways to prevent and eliminate weevils in the house, too. 10 Steps to Controlling Food-Infesting Weevils . To prevent weevils from invading your pantry, try to buy grains in bulk or in clear packaging so you can inspect them for weevils, which look like reddish-brown bugs that are about 1/8-inch long. A prominent snout (proboscis) is as long as or longer than the body. Find out what items are infested to enhance effective control. Adult chestnut weevils are hard-shelled beetles which vary in color from mottled light tan to dark brown, almost black. How to Get Rid of Weevils by Cleaning the Pantry. This will shoo them away as these bugs do not like the sunlight and will look for a dark and moist place. Inspect all stored foods to find all foods upon which the weevils are feeding or infesting. The small chestnut weevil female is 5-11 mm (1/6 to 1/3 in) long; the large chestnut weevil female is 7-14 mm (1/4- … But that's just what weevils are up to, when given the chance. 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