adult weevils

Listing 1 - 10 from 26 for adult weevils

Maintaining Healthy Rhododendrons and Azaleas in the Landscape, HYG-3043-96
... 2B. Symptoms of winter burn on azalea (left) and rhododendron (right). Black Vine Weevil The adult weevils feed on rhododendron leaves producing a C-shaped notching in the leaf margin (Figure 3 ...
ohioline.osu.edu

Cosmopolites sordidus
... Hely et al., 1982). Dispersal within a banana field occurs when adult weevils walk from plant to plant or when infested plants containing ... The resulting piece of trunk is placed back on the stump. Adult weevils are attracted to the surface between the piece and the stump ... aldrin were used in controlling this pest. Today, banana root weevils are reported to be resistant to these materials in several ...
www.extento.hawaii.edu

Listroderes difficilis
... in the southern U.S. mainland states and Hawaii. DAMAGE Adult weevils attack young tomato, potato and other vegetables. They may ... , 1939). BIOLOGY Female vegetable weevils reproduce parthenogenetically (without fertilization). The development period from egg to adult may take as many ... surface of the soil (High, 1939). When disturbed, the adult weevils feign death by falling upon their back or side, ...
www.extento.hawaii.edu More from this site

Chestnuts and Chestnut Trees (FAQ)
... for all U.S. chestnut growers is the presence of chestnut weevils which lay their eggs in the ripening nuts. When the nuts ... Weevil) when they emerge to mate and lay more eggs. Only the adult weevils are controllable with insecticides (Sevin is registered for this use), and ... to eat the larvae and pupae of the weevils. After several years of this control, few weevils will remain. As soon as nuts are ...
www.icserv.com

Kemper Center Problem Categories
... the rate of one tablespoon per pint, respectively; apply preferably after dark, when the adult weevils feed. Dig and discard badly infested specimens, together with the soil in which ... for more information. Adult hollyhock weevils (Coleoptera) feed on the seeds, buds, and leaves of hollyhocks (Alcea); females are identifiable by an extremely long "beak" Female hollyhock weevils (Coleoptera) chew ...
www.mobot.org

NUT TREE GROWING IN KENTUCKYtc
... Trees can be jarred similar to monitoring for pecan weevil to determine the presence of adult weevils. Sevin is the only insecticide registered for chestnuts. Maintaining bare ground or closely mowed ... start your spray program. Those not prepared to spray can reduce injury by periodically shaking weevils onto a harvesting sheet. Beetles can easily be collected and destroyed. Scales Several species ...
www.pawpaw.kysu.edu

Practical Black Vine Weevil Management
... it is opened, so that the presence of adult weevils can be quickly detected. Since the inside of the unopened truck is dark, adult weevils wander out of their hiding places into the artificial ... feeding adults. The strategy makes sense in several ways: adult weevils are the only stage that is exposed above ground, and the adult weevil requires about a month of intensive feeding before she ...
www.rhododendron.org

Root Weevils: Troublesome Rhododendron Pests
... adult weevils from traveling up the trunk to the leaves. These barriers must be applied to the trunk so there are no unprotected avenues of travel up the stalk. The weevils ... can be removed and the weevils destroyed. CHEMICAL CONTROL. Chemical control for weevils should be used with ... read labels before using. Insecticides work the best on adult weevils and are normally applied to foliage. Timing is ...
www.rhododendron.org More from this site

at Loder-Plants.com
... roots. Adult weevils may be seen on the foliage at night or grubs found in the potting compost or soil. Cause Adult Black ... inspect plants and walls by torchlight and pick off the weevils. Shake shrubs over an upturned umbrella or newspaper to dislodge and ... Barrier Glue, around pots or glasshouse staging.Encourage natural enemies. Vine weevils and their grubs are eaten by a variety of predators such ...
www.rhododendrons.com

justgardeners.com
... , do very little permanent damage. As with many plants the biggest pest is from vine weevils. This however, only really affects pot grown plants and using a vine weevil killer twice ... would be advisable at this stage. Whilst it is true they are not partial to adult plants they will readily make light work of a young one! Planting Guide Once established ...
justgardeners.com

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