Diatomaceous earth, however, is a naturally occurring sedimentary rock that will safely and effectively control the larval stage of root weevils. The adult weevil only eats the leaves of plants so damage from them is generally not severe – it is the larvae that cause the problems. Diatomaceous earth is widely applied for insect control in grain storage. According to the University of California, no effective pesticides are available to control the larval stage of root weevils. If you would like to subscribe to our newsletter below we will not email more than once a month. Does Diatomaceous Earth Kill Potato Beetles? In 2009, she received master gardener certification from the Master Gardeners of Summit County, Ohio. We sometimes have Special Offers and New Products that might interest you. Vine weevils seem to be resistant to pesticides but you don’t need to get rid of all your plants –  there are plenty of ways to combat vine weevil. DE's naturally absorbent and abrasive nature makes it an ideal internal cleanser. Before applying the DE, it’s wise to put on protective eyewear, gloves and a dust mask. Adults feed at night. The particles are then eliminated in their castings. Dicalite Management Group, coal mine under the earth and the equipment for explotacion, tin and cu and rare earth ore beneficiation process, processing technology of rare earth metals, rock processing equipment for the crust of the earth to support the construction mining and recycle industries in sacramento, earth fullers powder grinding plant view of machines. Root weevils measure about 0.38 inch long with a grayish black body, elbow-shaped antennae and curved snouts. It does however affect bees and other insects so do not sprinkle over flowers and use it sparingly. 372718. Sprinkling diatomaceous earth around the base of infested plants will safely and effectively control the larval stage of root weevils. Diatomaceous earth offers an alternative method for detoxing your body, one that is inexpensive, simple, and effective. It will need to be reapplied after a rain shower. Diatomaceous earth (DE) contains the fossilized remains of diatoms, which are algae-like organisms. Registered Importer & Retailer of compound feed no. The larval stage of the root weevil causes the most damage to the plant by chewing and girdling the roots. Before applying the DE, it’s wise to put on protective eyewear, gloves and a dust mask. Diatomaceous earth is a mild abrasive containing 0.1% crystalline silica. For example, the black vine weevil (Otiorhynchus sulcatus) attacks rhododendrons, yew, impatiens and greenhouse plants and broad-leaved evergreens, while the strawberry weevil attacks strawberries (Otiorhynchus ovatus) and the carrot weevil (Listronatus oregonensis) attacks carrots and other vegetables. If the infestation is serious, dust the lower sides of the stems and undersides of the leaves with diatomaceous earth. Parasitic nematodes are safe for use around people and animals, and won’t harm beneficial insects. Vine weevils are beetles that cause terrible damage to plants, especially those grown in containers. These are living parasites that you water into the soil and they kill the vine weevil grubs. They are brilliant white in colour with a brown head, and approx. For example, parasitic nematodes -- when applied to moist, warm soil -- will effectively control the larval stage of root weevils. Adult vine weevils eat leaves and the grubs eat roots. It absorbs the waxy cuticle of weevils, ants, and other insects — killing them within 48 hours of application. So we thought we would share some information about how to do this, since no doubt there are many others of you that have come across this problem. Several species of weevils feed on roots and the specific type of weevil depends on the host plant. DIATOMACEOUS EARTH. Diatomaceous earth is composed of the fossilized remains of tiny organisms known as diatoms. Before applying the dust, put on protective eyewear, rubber gloves and a dust mask. DE contains NO toxic poisons and does not harm earthworms. According to the Missouri Botanical Garden, you can control root weevils by sprinkling diatomaceous earth around the base of infested plants.